Answer:c
Explanation:
All of the following choices are evidence for the recent changes in global climate EXCEPT:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
polar ice melting at unprecedented rates.
Hurricane Sandy, which hit the East Coast of the United States in 2012.
prairies giving way to deserts in Africa and the American West.
coral reefs dying off due to ocean acidification and heating.
With the exception of coral reefs disappearing because of acidification of the oceans and becoming warmer all of the choices that follow represent evidence of contemporary climate shifts on a worldwide scale.
Which of these are thought to be possible climate change effects?Trends in weather and precipitation change. increases in acidity, sea level, and temperature of the oceans. melting of sea ice and glaciers. alterations in the occurrence, severity, and length of extreme weather occurrences.
What are the climate change's four primary effects?Droughts that are more frequent and extreme, storms, extreme temperatures, rising seas, glaciers melting, and warmer oceans can all directly injure animals, destroy the habitats they rely on for survival, and have a disastrous impact on people's way of life and communities.
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while gregor mendel's model of inheritance provides a simple explanation for the inheritance of traits, it is not always followed due to the complexities of genetics, such as…
Answer:
Mitochondrial inheritance: It follows a different pattern than classical Mendelian inheritance because it is not controlled by genes on the chromosomes in the cell nucleus. Instead, all offspring of a mother with a mitochondrial DNA mutation will inherit that mutation, but only females will pass it on to their offspring. This is because only the egg cell, not the sperm cell, contributes mitochondria to the next generation.
Epigenetic inheritance: Epigenetic modifications, such as DNA methylation and histone modification, can affect gene expression and be passed on from one generation to the next. This type of inheritance does not involve changes in the DNA sequence but rather changes in the way that genes are expressed.
Genomic imprinting: Some genes are expressed differently depending on whether they were inherited from the mother or the father. This is because certain genes are silenced or activated based on their parent of origin, and this pattern of gene expression is maintained throughout the individual's life.
Gene conversion: During meiosis, some DNA molecules can undergo a process called gene conversion, which involves the replacement of one allele with another, resulting in offspring that have a different genetic makeup than expected based on the parental genotypes.
Explanation:
Temperature sensors are found where in the body?
O The pancreas and gallbladder
O The hypothalamus and the skin
O The adrenal gland and pituitary gland
O The lungs and heart
O The liver and kidneys
Animal-mediated pollination ... (choose one most appropriate answer)
O Is characteristic of the 4th great radiation of the land plants, which resulted in a group of plants called the
Angiosperms.
O Tends to increase inbreeding among the species of plant being pollinated.
O Likely has decreased the diversification of both insects and flowering plants.
O Allows the plant to reproduce only when the plant population is at a high density.
O Is a less efficient mode of pollination than wind pollination.
Answer: Tends to increase inbreeding among the species of plant being pollinated.
Explanation:
Animal-mediated pollination, where animals such as insects, birds, or bats transfer pollen from one flower to another, tends to increase inbreeding among the species of plant being pollinated. This is because animals often visit multiple flowers of the same plant or closely related plants in close proximity, leading to a higher likelihood of pollen being transferred between closely related individuals. This can result in reduced genetic diversity and increased inbreeding among the plant population, which may have both positive and negative effects depending on the specific species and ecological context.
The other options provided do not accurately reflect the characteristics of animal-mediated pollination. For example, animal-mediated pollination is actually considered to be a more efficient mode of pollination compared to wind pollination, as it allows for targeted and controlled transfer of pollen between flowers, increasing the chances of successful pollination and reproduction. Animal-mediated pollination is also not limited to high plant population density or specific plant groups such as angiosperms, and there is no evidence to suggest that it has decreased diversification among insects and flowering plants.
With respect to climate forcing, which one of the following is a positive forcer?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
carbon dioxide
sulfur dioxide
oxygen gas
helium
Answer:
the answer is sulfur dioxide
8. In cocker spaniels, the following genotypes and phenotypes are found:
AABB = white, A_bb = red, aabb = lemon, AaB_ = black, aaB_ = liver, AABb = grey
a. A red female is mated with a liver-colored male, and one of the pups produced is lemon-colored.
What are the genotypes of the parents?
b. What proportion of these offspring would be expected to be black?
c. A black male is mated with a liver-colored female, and they produce the following pups:
3/8 black
1/8 red
3/8 liver-colored
1/8 lemon-colored
What are the genotypes of the two parents?
d. If two cocker spaniels of the genotypes AaBb x AABb are mated, and eight pups are born, what is the
most likely distribution of coat colors in that litter?
The most likely distribution of coat colors in the litter would depend on the frequency of each genotype in the parents' gametes and the laws of Mendelian inheritance.
What is Genotype?
Genotype refers to the genetic makeup or genetic constitution of an organism, which consists of the specific alleles or versions of genes that an individual inherits from its parents.
a. The genotype of the red female is A_bb, where she has one dominant allele A for black coat color and one recessive allele b for red coat color.
b. If the red female (A_bb) and the liver-colored male (aaB_) produce a lemon-colored pup (aabb), it means that both parents must have passed on their recessive alleles to the pup.
c. The given proportions of the offspring suggest that the black male has the genotype AABb, and the liver-colored female has the genotype aaBb.
d. If two cocker spaniels of genotypes AaBb x AABb are mated, the possible gametes they can produce are AB, Ab, aB, and ab.
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What is a homologous structure?
Body parts in different animals that look different to each other
Body parts that are part of the same system
The walls in a plant's calls
Body parts in different animals that have similar structures to each other
Answer:
The answer is Body parts in different animals that have similar structure to each other
ANSWER PLEASE ASAP FOR BRAINLIEST AND POINTS
The lunar phases of the Moon include:
New Moon: Waxing CrescentFirst Quarter.Waxing GibbousFull Moon, etcWhat are lunar phases?Lunar phases refer to the different appearances of the Moon as seen from Earth, resulting from the changing positions of the Moon, Earth, and the Sun.
The lunar phases cycle through a predictable sequence of eight different phases, from the New Moon to the Full Moon and back again to the New Moon.
The eight lunar phases are ordered as follows:
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Of the following greenhouse gases, which one has the most global warming potential relative to carbon dioxide over 100 years?
nitrous oxide
helium
halocarbons
methane
Answer: D. methane
Explanation:
According to the selection, in which two ways have
the Devils Hole pupfish adapted to their
environment?
A
B
C
D
E
They do not take deep breaths.
They do not grow a pelvic fin.
They swim slower.
They stay smaller.
They eat more food.
The Devil's Hole pupfish has evolved a behavior described as "paradoxical anaerobism" as a result of adapting to a lack of oxygen in its habitat.
The correct answer is: A.
Can pupfish adapt?HABITAT: Having evolved to live within dry regions, deserts pupfish are capable of withstand conditions such as daily temperature changes of up to forty-five degrees Celsius, water temperatures around 120 degrees Celsius, extremely low concentrations of oxygen, salinity levels over twice as much of the ocean, and water temperatures above 110 degrees Fahrenheit.
Under which circumstances do pupfish reside?Warm, salinized waters or salt streams are where they live, which would quickly kill a trout. For example, a Salt Creek pupfish can survive in seawater that is three times as salty. In Monument Valley National Park, they are plainly visible from a boardwalk.
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What are 5 interesting facts about overpopulation and global warming?
Answer:
1. Overpopulation is a major contributor to global warming, as the increased demand for energy, food, and resources leads to increased greenhouse gas emissions.
2. The world's population is projected to reach 9.7 billion by 2050, putting further pressure on the environment and contributing to global warming.
3. Developing countries with high population growth rates are particularly vulnerable to the effects of global warming, such as rising sea levels and increased frequency of extreme weather events.
4. Family planning programs and access to contraception have been shown to be effective in reducing population growth rates and mitigating the effects of global warming.
5. Sustainable development practices, such as renewable energy and green infrastructure, can help reduce greenhouse gas emissions and support a growing population without further exacerbating global warming.
Explanation:
The trait for the type of leaf margin is con-
trolled by 1 pair of alleles. Serrate margin is
dominant over entire margin. Two plants
with serrate margin leaves (1 heterozygous
and 1 homozygous dominant) are crossed.
What is the chance that the offspring have
entire leaves
Since the genotype ss is the only one that produces the entire margin phenotype, the chance of an offspring having entire leaves is 50% (1 out of 2 possible genotypes: ss or Ss/sS).
What is an allele?An allele is a variant form of a gene that can determine a specific trait or characteristic. Genes are located on chromosomes and can have multiple alleles, which can be dominant, recessive, or codominant. Alleles can be inherited from both parents and can interact with other alleles to determine the phenotype of an organism. For example, the gene for eye color in humans has several alleles, including brown, blue, and green.
The offspring will have a 50% chance of having entire leaves.
When the heterozygous (Ss) and homozygous dominant (SS) plants are crossed, their offspring will inherit one allele from each parent. The possible combinations of alleles are: SS, Ss, and sS (which is the same as Ss).
The genotype SS and Ss both have the dominant allele for serrate margins, while the genotype ss has the recessive allele for entire margins.
Therefore, the possible genotypes and their corresponding phenotypes are:
SS: Serrate margin
Ss: Serrate margin
sS: Serrate margin
ss: Entire margin
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I really need help with Biology 102 ASAP!!!! but it's due date: Apr 17, 2023 at 11:59 PM EDT
Questions on Unit 8: 2 and 3
Below is the categorization of the various part given
Central nervous system
Receives sensory information and initiates motor controlBrainPeripheral nervous system
Spinal nervesCranial nervesLocated in the body's midlineCarries sensory messages to the CNS and motor commands from the CNS to the muscles and glandsUnderstanding Nervous SystemThe nervous system is the complex network of nerve cells and fibers that transmits signals between different parts of the body. It is divided into two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS).
The central nervous system (CNS) includes the brain and spinal cord. It is responsible for receiving and interpreting sensory information from the PNS, and for generating motor commands that are sent out to the PNS to control the body's muscles and organs.
The peripheral nervous system (PNS) consists of all the nerves and ganglia outside of the brain and spinal cord. It is further divided into the somatic nervous system and the autonomic nervous system. The somatic nervous system controls voluntary movements and transmits sensory information to the CNS, while the autonomic nervous system controls involuntary functions such as heart rate, digestion, and breathing.
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The categorization of the various part given is given below:
Central nervous system
Receives sensory information and initiates motor control
Brain
Peripheral nervous system
Spinal nerves
Cranial nerves
Located in the body's midline
Carries sensory messages to the CNS and motor commands from the CNS to the muscles and glands
What is the Nervous System about?The intricate system of nerve cells and fibers that carries signals between various body parts is known as the nervous system. The central nervous system (CNS) and the peripheral nervous system (PNS) are its two basic divisions.
The brain and spinal cord are parts of the central nervous system (CNS). It is in charge of receiving sensory data from the PNS, processing it, and producing motor instructions that are delivered to the PNS to regulate the body's muscles and organs.
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How do trees interact with other organisms?
a.
They provide mammals with food.
b.
They receive shelter from insects.
c.
They obtain food from other plants.
d.
All of the above
V
HELP!!!! The graph on the left shows the total supply and consumption of forests when the consumption rate and population growth rate are both low. The graph on the right shows biodiversity under the same conditions. Which conclusion do the graphs support??
A) trees have little to no effect on biodiversity
B) biodiversity causes deforestation
C) the faster people use trees, the higher the biodiversity
D) deforestation leads to loss of biodiversity
Based on the graph, it can be concluded that deforestation leads to the loss of biodiversity.
What is the effect of the consumption of forests on biodiversity?
Based on the information provided, the graph on the left shows the total supply and consumption of forests when the consumption rate and population growth rate are both low, while the graph on the right shows biodiversity under the same conditions.
The graph on the right shows a decline in biodiversity as the years progress. This decline in biodiversity could be due to a range of factors, such as pollution, habitat destruction, or deforestation.
Therefore, the graphs support the conclusion that deforestation, which leads to habitat destruction, causes a loss of biodiversity (option D).
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i need help with this science question pleasee
Answer:
c
Explanation:
the rabbit eats grass and then is eaten by fox so in my view its a primary consumer and primary consumer are herbivores so in this case rabbit is primary consumer
A person with a severe case of asthma (constriction of the airways) would be helped with a sympatholytic drug.
© True
O False
Answer:
false
Explanation:
reduce blood pressure mainly by stimulating central α2‐adrenergic receptors in the brainstem centers, thereby reducing sympathetic nerve activity and neuronal release of norepinephrine to the heart and peripheral circulation.
why do chemotherapy has its strongest side effects on the skin and the lining of the digestive tract?
With respect to climate forcing, which one of the following is a positive forcer?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
carbon dioxide
sulfur dioxide
oxygen gas
helium
Answer:
the answer is sulphur dioxide
With respect to climate forcing, carbon dioxide is a positive forcer. The correct option is A.
Thus, because of its capacity to trap heat in the Earth's atmosphere and so contribute to the greenhouse effect, carbon dioxide is regarded as a positive climatic forcing agent. The atmosphere contains more carbon dioxide as a result of human activity, principally the burning of fossil fuels, which raises Earth's temperature and causes climate change.
A significant greenhouse gas that affects climate change on Earth is carbon dioxide. It has been shown that one of the main causes of anthropogenic climate change and global warming is the rising atmospheric concentration of carbon dioxide.
Thus, the ideal selection is option A.
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How is the DNA in a prokaryote different from the DNA in a eukaryote?
Answer:
DNA is in a nucleus in eukaryotes.
Explanation:
Circular DNA and smaller, transferable DNA plasmids are both found in prokaryotes.
Based on their nuclear structure, number of chromosomes, binding protein, and selective permeability, eukaryotes differ from prokaryotes in their DNA (Deoxyribose Nucleic Acid).
The splanchnic nerves contain preganglionic axons of the sympathetic nervous system.
True or false
Answer:
True
Explanation:
The given statement "The splanchnic nerves contain preganglionic axons of the sympathetic nervous system" is true because these axons synapse with postganglionic neurons in ganglia located near or within the organs they innervate.
The splanchnic nerves are a group of nerves that originate in the thoracic and lumbar regions of the spinal cord and innervate the viscera. They are part of the sympathetic nervous system, which is responsible for the "fight-or-flight" response.
The preganglionic axons of the sympathetic nervous system are short axons that originate in the spinal cord and synapse with postganglionic neurons in ganglia located near or within the organs they innervate. The splanchnic nerves contain the preganglionic axons that innervate the viscera of the abdomen and pelvis.
The postganglionic axons of the sympathetic nervous system are longer axons that originate in the ganglia and innervate the organs they innervate. The postganglionic axons of the splanchnic nerves release the neurotransmitter norepinephrine, which activates the sympathetic receptors on the organs they innervate.
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The feature labeled 7 are ___________________ which are located in ________________.
HELP PLS QUICK THIS IS IN K12
The feature labeled 7 are parking meters which are located in urban areas.
What is urban?Urban areas are highly inhabited areas that have a diversity of land uses and a high population density. High rates of economic activity, rapid population increase, and a variety of housing types are typical characteristics of these locations. Normal associations between urban regions and high levels of poverty, crime, and pollution exist. Typically, urban regions can be located in the centre of large cities, in the midst of them, or in their suburbs.
Public transit, such subways, buses, and trains, is frequently connected with urban areas. Numerous universities, hospitals, and other public services are located in urban regions. With their abundance of eateries, stores, and cafes, urban areas are frequently centres of culture, leisure, and relaxation. Due to greater expenses for resources like land, labour, and other resources, operating a business in an urban region is typically significantly more expensive than in a rural area.
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Of the following, which one has not directly contributed to land loss on the Isle de Jean Charles?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
levees
hurricanes
hunting
dredging
Hunting has not directly contributed to land loss on the Isle de Jean Charles.
What is Leaves?
Leaves are the main organs of photosynthesis in most plants. They are typically flat, thin and come in a wide variety of shapes and sizes. The primary function of leaves is to produce food for the plant through the process of photosynthesis. In this process, the leaves absorb light energy from the sun and use it to convert carbon dioxide and water into simple sugars, which can be used by the plant for energy.
Levees, hurricanes, and dredging have all played a role in the erosion and subsidence of the island, which has led to the loss of land over time. Hunting, on the other hand, is not directly related to land loss but may have indirect effects on the ecosystem and wildlife populations on the island.
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A
A
B
AB
Complete
the table with "yes" or "no"
to determine which blood type can
receive from or donate to which blood
type.
B
AB
O
Answer:
A B AB O(donated to)
A yes no yes no
B no yes yes no
AB no no yes no
O yes yes yes yes
(donated by)
Explanation:
which is the cause of the decline of amphibians in nature
Answer:
There are numerous known factors that contribute to amphibian declines—habitat destruction, pollution, and newly introduced or invasive species, to name just three1. Many of the causes of amphibian declines are well understood, and appear to affect other groups of organisms as well as amphibians2. These causes include habitat modification and fragmentation, introduced predators or competitors, introduced species, pollution, pesticide use, or over-harvesting23.
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I need help with these if do thank you so muchh
A gene is a unit of heredity that is responsible for the inheritance of a particular trait from parents to offspring.
What are the principles of natural selection?The four principles of natural selection are:
Variation: Individuals within a population exhibit differences in their traits or characteristics.
Inheritance: Some of these variations are passed from parents to their offspring.
Selection: Individuals with certain variations that make them better adapted to their environment are more likely to survive and reproduce.
Time: Over many generations, the frequency of advantageous traits increases within the population, leading to evolutionary change.
A species is a group of individuals with similar physical and genetic characteristics that can interbreed and produce fertile offspring.
Genetic drift is the movement of alleles from one population to another due to chance events, such as the migration of individuals.
The term that refers to the evolutionary history of a species is "phylogeny".
Phylogeny is the study of the evolutionary relationships among organisms and their history of descent from a common ancestor. It is based on the comparison of anatomical, genetic, and other characteristics among different species.
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You earn $17.50/hr and work 40 hr/wk. Your deductions are FICA (7.65%), federal tax withholding (12.3%), and state tax withholding (6.2%). Your housing and fixed expenses are 30% of your realized income per month. You want to save 5 months' worth in an emergency fund within a year. How much do you need to save per month to fund the emergency fund?
Answer:
So, you need to save approximately $258.60 per month to fund your emergency fund within a year based on the given information.
Explanation:
Let's break down the steps to calculate the amount you need to save per month to fund the emergency fund:
Step 1: Calculate your total deductions
Your deductions include FICA (7.65%), federal tax withholding (12.3%), and state tax withholding (6.2%). To calculate the total deductions, we add these percentages:
Total deductions = FICA + federal tax withholding + state tax withholding
Total deductions = 7.65% + 12.3% + 6.2%
Total deductions = 26.15%
Step 2: Calculate your net income per hour
Your net income per hour is the hourly rate minus the total deductions:
Net income per hour = Hourly rate - Total deductions
Net income per hour = $17.50/hr - 26.15%
Net income per hour = $17.50/hr - $4.57/hr
Net income per hour = $12.93/hr
Step 3: Calculate your monthly realized income
Your monthly realized income is the net income per hour multiplied by the number of hours you work per week and the number of weeks in a month:
Monthly realized income = Net income per hour x Number of hours per week x Number of weeks per month
Monthly realized income = $12.93/hr x 40 hr/wk x 4 wk/month
Monthly realized income = $2,068.80/month
Step 4: Calculate your housing and fixed expenses
Your housing and fixed expenses are 30% of your realized income per month:
Housing and fixed expenses = 30% x Monthly realized income
Housing and fixed expenses = 30% x $2,068.80
Housing and fixed expenses = $620.64/month
Step 5: Calculate the total amount needed for the emergency fund
You want to save 5 months' worth of expenses in an emergency fund within a year. So, the total amount needed for the emergency fund is:
Total amount needed for emergency fund = 5 x Housing and fixed expenses
Total amount needed for emergency fund = 5 x $620.64
Total amount needed for emergency fund = $3,103.20
Step 6: Calculate the amount to save per month
To calculate the amount you need to save per month to fund the emergency fund, divide the total amount needed by the number of months in a year:
Amount to save per month = Total amount needed for emergency fund / Number of months in a year
Amount to save per month = $3,103.20 / 12
Amount to save per month ≈ $258.60
So, you need to save approximately $258.60 per month to fund your emergency fund within a year based on the given information.
If you obtained your daily vitamin A from beta-carotene, how much beta-carotene would you need to consume to meet the RDA of 700 ug RAE?
The recommended daily intake for adults and adolescents is between six and fifteen milligrammes (mg), or 10,000 and 25,000 units of vitamin A activity, of beta-carotene.
What quantity of beta-carotene is required to make one of A rae?According to research, the body can convert 2 micrograms (g) of -carotene found in supplement oil into 1 g of retinol, giving it a 2:1 RAE ratio. However, the body needs 12 g of food-based -carotene to produce 1 g of retinol, providing dietary -carotene a 12:1 RAE ratio.
How much beta-carotene do you take in a day?The recommended daily intake for adults and adolescents is from six to fifteen milligrammes (mg), or 10,000 and 25,000 units of vitamin A activity, of beta-carotene. Beta-carotene intake for children should range from 3 to 6 mg per day (5,000–10,000 USU for vitamin A activity).
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describes the impacts that you have on the natural habitats where you live. In constructing your post, be sure that you thoroughly address the following questions IN PARAGRAPH FORMAT:
What resources do you use? Consider the resources (ex. fuel, electricity, food, water, etc.) you use on a day to day basis, but also in the long-term.
Where does your garbage go? Not just the dump, but what do they do with it??
How does how much you drive affect the environment?
What about buying food?
How does this all have an effect on the natural environment?
How could you lessen the effect?
As individuals, we use various resources on a day-to-day basis, including fuel, electricity, food, water, and other resources. In the long-term, our usage can have a significant impact on the natural habitats surrounding us. The more we use resources, the more we contribute to the depletion of natural resources, which in turn can lead to the destruction of habitats.
Garbage disposal is another significant factor that affects the environment. Most of the garbage that we produce is sent to landfills, which not only takes up a lot of space but also pollutes the environment. The garbage disposal process, such as incineration, can also cause air pollution and release harmful gases into the atmosphere.
Driving, particularly long distances, can significantly impact the environment. The more we drive, the more fuel we consume, which in turn contributes to air pollution and greenhouse gas emissions, leading to global warming and climate change. Similarly, buying food also has an environmental impact. The transportation of food products from one place to another contributes to air pollution, and the use of fertilizers and pesticides in agriculture can contaminate soil and water resources.
All of these factors have a significant effect on the natural environment. The depletion of natural resources, the pollution of air and water, and the destruction of habitats all have significant impacts on the planet's biodiversity and ecosystem.
To lessen the effect, we can adopt more environmentally friendly practices. We can reduce our usage of resources by conserving energy, reducing water consumption, and using public transportation or carpooling. We can also reduce our impact on the environment by reducing the amount of waste we produce, recycling, and properly disposing of hazardous waste. Additionally, we can support local agriculture, which can reduce the transportation of food products and promote sustainable farming practices. By taking these steps, we can help preserve natural habitats and contribute to a healthier and more sustainable planet.
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