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 does fragmented forest habitat increase the risk of predation on bird nests by cats, dogs, raccoons, and other animals? Responses Birds will prefer to make their nests at the edges of forest habitat. Birds are forced to build nests on the ground instead of in protected trees. Predators have an easier time spotting bird nests in fragmented habitat. Predators are more common at the edges of fragmented habitat.
The borders of fragmentation habitat are where predators are more prevalent.
What impact does deforestation have on bird breeding habits?Bird populations are directly impacted by deforestation, mostly due to the destruction of their habitat. A bird's environment serves as its home, and deforestation robs them of their habitat. Many birds are unable to procreate when they are removed from their native habitat, which ultimately causes a reduction in their number.
What impact does deforestation have on animals and birds?Due to the drastic changes it causes to vast areas of ecosystems and habitats, deforestation is one of the land uses that has the greatest impact on migrating birds. The effect of land usage on tropical forests may clearly be seen from above.
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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
3. A mass spectrometer is used to get information from
(a) Plants
(c) Rocks
(b) Rubber
(d) Concrete
Answer: Rocks
Explanation:
Can someone help me really fast please? When you give the answer please elaborate don’t just put a few words
1. We eat to obtain the nutrients and energy our bodies need to function properly.
2. The types of food animals in the ocean eat depend on their species and location.
Why is eating important?Nutrients like carbohydrates, proteins, and fats provide energy, while vitamins and minerals support various bodily processes.
Some animals, like plankton and krill, feed on tiny plants and animals floating in the water. Others, like sharks and dolphins, hunt and eat larger fish and squid. Some ocean animals, like sea turtles, feed on both plants and animals, while others, like whales, consume primarily krill and other small organisms.
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Josie notices that it gets dark at night, but is light again every morning when she wakes up. What is actually happening
when it gets lighter in the mornings?
Can someone help me really fast please? elaborate don’t just put a few words
Answer:
We eat to gain nutrients for our bodies to function.
Explanation:
Eating is essential to human survival basically if we don't eat we won't be able to do activities and it will cause people to become sluggish. Eating provides the body with nutrients to grow and repair, if you don't eat you won't be able to gain back blood cell counts and it just makes your body work way more slowly than usual. If we didn't eat our bodies would lack the energy to be able to survive and thrive.
Animals in the ocean will eat other animals or plants in the ocean just like land animals. Often times they will eat animals smaller than them or have seaweed and kelp depending on the animal's diets.
I need help ASAP
For this assignment, you will be writing an abstract of a scientific paper. Can someone please summarize this section the picture that I posted in under 250 words
An abstract is a short, concise summary of a scientific study or literature review.
Be sure you summarize each section of the research paper in your abstract.
Keep your abstract under 250 words
Be concise!
A research paper's or a thesis's complete body is succinctly summarised in an abstract. It is not an extract; it is an original piece. Without additional citation to outside sources or to the original article, an abstract must be totally self-contained and make sense on its own.
What is a scientific study's abstract?It must provide the intended message as it is a succinct summary of the essay. It provides a brief summary of the entire article, conveys its main points, and reveals if it lives up to the reader's expectations. Academic assignments and research papers often include abstracts as important components.
An abstract is one sort of summary, but there are other places in academic writing where summaries are written.
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Which label points to the part of chloroplast where chlorophyll molecules are found?
A. 1
B. 2
C. 3
D. 4
Answer: A I think
Explanation: Sorry if wrong
Chlorophyll molecules are primarily located in thylakoid membranes within chloroplasts. Here, they capture light energy to perform photosynthesis.The correct option is A.
The label that points to the part of the chloroplast where chlorophyll molecules are found is A. 1. These molecules are located in the thylakoid membranes, specifically in the photosystem complexes.
However, within a chloroplast, chlorophyll molecules are primarily found in structures called thylakoids. Thylakoids are flattened sac-like membranes arranged in stacks (grana) inside chloroplasts. Chlorophyll molecules are integral components of the thylakoid membranes where they absorb light energy for photosynthesis. It captures light energy from the sun and uses it to help convert carbon dioxide and water into glucose and oxygen in the photosynthesis process.
Therefor the correct option is A.
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How are folding and faulting similar? How are they different?
Folding and faulting are similar in that they both involve the deformation of rock layers in response to stress and difference between folding and faulting is the nature of the deformation.
How are folding and faulting similar and different?Folding and faulting are the two processes that occur in the Earth's crust due to tectonic forces. They are similar in that they both involve deformation of rock layers in response to stress, and they can both result in the formation of mountains and other topographic features.
The main difference between folding and faulting is the nature of deformation. Folding occurs when rock layers are bent or curved without breaking. This can result in the formation of large-scale folds, such as synclines and anticlines, which are characterized by downward and upward curves, respectively.
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why do chemotherapy has its strongest side effects on the skin and the lining of the digestive tract?
20. Phylogenetic tree are used to help show which creatures are most closely related to each other. In the diagram below,
common ancestor. The line from the chicken and the line from the dinosaur connect, so they would have a common
the red dot shows the most common ancestor between a chimpanzee and a human. When two lines come together, there is a
ancestor. All the lines at the bottom connect, this would be the least common ancestor, but they are still related.
Chimpanzee
Human Chicken
Dinosaur
Most recent common
ancestor
Answer: a
Explanation: the explanation is
Please answer Quickly!!!
Answer: decrease, increase
Explanation: Coral can live in acidic water, but is less healthy and dense
A sample of helium gas has a volume of 6.5 L at a pressure of 1.11 atm and a temperature of 25 °C. What is the pressure of the gas in atm when the volume and temperature of the gas sample are changed to 1850 mL and 325 K, respectively?
173.5 atm
4.25 atm
0.300 atm
0.235 atm
In typical conditions of 0°C - 1 atm 173.5 atm, a mole of just about any gas takes up 22.4 L.
What must proportion V of a helium-filled balloon weighing 5.0 kg be?The balloon's volume has to reach least 31 m3 en order to hoist the weight. Although this is the least volume needed, it should be noted that a higher volume would offer a bigger margin of organism .
Why does one mole of gas take up 22.4 litres?STP assumes a temperature of 273K and a pressure of 1atm. The volume of one mole of gas can be determined using the ideal gas equation. comprehensive step-by-step response One mole of typical particles at STP ($6.023 times 1023 dollars.
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How do the
populations in a community depend on
each other?
There are many distinct ways in which populations in a community are interdependent, and these interdependencies form the cornerstone of the intricate interactions that exist between various species in an ecosystem.
What is population?A population is a collection of people belonging to the same species who coexist and communicate in a certain geographical region. Depending on the species and the habitat it lives in, a population can have anything from a few to millions of members.
Examples of how different groups in a society are interdependent include:
Food webs and chains: In a community, many creatures rely on other organisms for nourishment. For instance, plants are the main providers of the food that feeds herbivores, which are then consumed by carnivores. A food web is formed by the links between several food chains, which is a network of energy flow.
Pollination: To enable fertilization and the development of seeds, many plants rely on pollinators like bees, butterflies, and birds to move pollen from one plant to another.
Decomposition: species that break down dead organic materials, such as bacteria and fungus, recycle nutrients and make them accessible to other species in the ecosystem.
Competition: Within a community, populations may clash for resources like food, water, and space. This rivalry may restrict population expansion and have an impact on how species are distributed throughout an ecosystem.
Symbiotic interactions: In a community where two or more species coexist and are dependent on one another for existence, there are symbiotic interactions between the many populations that make up that community.
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All of the following statements regarding the Kyoto Protocol are true EXCEPT:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
the treaty set different but specific targets of carbon dioxide reduction for various nations.
the treaty was replaced by the 2016 Paris Agreement.
the protocol was ratified by the United States.
no emission targets were set for developing countries.
Answer:
c
Explanation:
C) The protocol was ratified by the United States is not true.The Kyoto Protocol was an international agreement adopted in 1997 with the objective of reducing greenhouse gas emissions in order to combat global climate change.
The following statements about the Kyoto Protocol are true:
A) The treaty set different but specific targets of carbon dioxide reduction for various nations.
B) The treaty was replaced by the 2016 Paris Agreement.
D) No emission targets were set for developing countries.
However, the United States did not ratify the Kyoto Protocol, which was a major setback for the treaty's effectiveness.
Answer: 3rd option is not true
Explanation:
The United States did sign the Kyoto Protocol but it never ratified it, meaning it did not formally agree to be bound by its requirements. Therefore, the United States did not participate in the treaty's implementation.
the comet that hit jupiter raised fiery plumes large enough to incinerate the ________
Answer:
The comet ventured too close to Jupiter's mighty gravitational pull two years ago and was pulled apart into a score of large fragments and thousands of small ones. As each fragment hits Jupiter's dense atmosphere, it is stopped as if it had hit a brick wall. In an instant, its initial speed of 130,000 miles per hour is reduced to zero, and practically all of its gigantic kinetic energy is converted to heat -- so much heat that a titanic explosion results. In the case of each of the largest fragments, this is equivalent to 250 million megatons of TNT. (The largest hydrogen bomb ever detonated produced a blast equivalent to about 58 megatons.)
Explanation:
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.
what is the two examples of metabolism?
Two examples of metabolism are catabolism and anabolism.
What is metabolism?
Metabolism refers to the chemical processes that occur within a living organism to maintain life. These processes involve the conversion of nutrients and other substances into energy and other molecules that are necessary for the growth, repair, and maintenance of cells and tissues.
It can be divided into two main categories:
Catabolism: It refers to the breakdown of complex molecules into simpler molecules, releasing energy in the process. For example, the breakdown of glucose to produce ATP (adenosine triphosphate) in cellular respiration is a catabolic reaction.Anabolism: It refers to the synthesis of complex molecules from simpler molecules, consuming energy in the process. For example, the synthesis of proteins from amino acids in the body is an anabolic reaction.Metabolism is essential for life as it provides the necessary energy and molecules for cellular functions such as growth, repair, and reproduction. The rate of metabolism can be influenced by various factors such as age, sex, diet, exercise, and genetics.
Therefore, two examples of metabolism are catabolism and anabolism.
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Complete question is: Two examples of metabolism are catabolism and anabolism.
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
Which statements about renewable and nonrenewable resources are true? Check all that apply.
There are two types of resources: renewable and nonrenewable. While a nonrenewable resource has a finite supply, a renewable resource can replenish itself at the rate of use.
Wind, timber, and other renewable resources are examples, while coal and natural gas are examples of nonrenewable resources.
Renewable resources are abundant while nonrenewable resources are scarce.
A nonrenewable resource is a natural substance that is not replenished at the rate at which it is consumed. While renewable sources are good for the environment, they also pollute.
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Compare the average rate at which geothermal and solar energy reach earths surface? As a policy maker in pursuit of solving world energy problems, which one would you pursue?
Answer:
The average rate at which geothermal and solar energy reach Earth's surface are significantly different.
Geothermal energy is generated from the heat of the Earth's core, and it is estimated that the total power output of geothermal energy is around 44 TW (terawatts). However, only a small fraction of this power, about 3.3%, is estimated to reach the Earth's surface. This means that the average rate at which geothermal energy reaches the Earth's surface is around 1.45 TW.
On the other hand, solar energy is generated from the radiation of the sun, and the total power output of the sun is estimated to be around 386,000 TW. While some of this energy is absorbed by the Earth's atmosphere and reflected back into space, the remaining energy is estimated to be around 174 PW (petawatts). This means that the average rate at which solar energy reaches the Earth's surface is around 174,000 TW.
As a policy maker in pursuit of solving world energy problems, solar energy would be the more viable option, due to its significantly higher rate of energy reaching the Earth's surface. Additionally, solar energy is a renewable resource that does not produce greenhouse gas emissions, making it an environmentally friendly option. Geothermal energy, while also renewable and clean, may not be as easily accessible in all areas and may require significant investment in infrastructure for harnessing its energy.
Hope this helps!
what is the difference between a 1950 food pyramid and a 2000 food pyramid
Darwin's Theory of evolution suggests that fishes evolved into amphibians. If this statement
is assumed to be true, explain why fishes still exist on the planet.
Answer:
Darwin's theory of evolution does not suggest that one species directly evolves into another species. Instead, it proposes that species can evolve from common ancestors over a long period of time through a process of natural selection. Therefore, the fact that fishes still exist on the planet does not contradict Darwin's theory. Here are some possible reasons why:
Diversification: Fishes have diversified into many different species over time, each adapted to a particular environment and niche. Therefore, the fact that some fishes evolved into amphibians does not mean that all fishes disappeared.Environmental factors: The evolution of fishes into amphibians may have been driven by changes in the environment, such as the availability of water or the development of new predators. However, not all fish species would have been affected equally by these changes, and some may have continued to thrive in their existing habitats.Adaptation: Fishes have evolved many different adaptations that allow them to survive in various environments. Some fish species are well-adapted to living in freshwater, while others are adapted to saltwater or deep-sea environments. These adaptations have allowed fish species to survive and thrive in different ecosystems.Evolutionary time: The evolution of species takes place over a very long period of time, and it is not necessarily a linear or predictable process. Even if some fish species did evolve into amphibians, it is possible that other fish species continued to evolve and diversify in other ways, leading to the continued existence of fish on the planet.In conclusion, the fact that fishes still exist on the planet does not contradict Darwin's theory of evolution. Evolution is a complex and ongoing process, and the survival of different species depends on a variety of factors, including environmental conditions, adaptation, and diversification.
Which term is used to describe the different depth areas of the oceans?
Opedantic zones
O podiatric zones
pelagic zones
Oprehistoric zones
Answer:
pelagic zones
Explanation:
Evolution in the real world-
Please help with these questions (3&4)
Evolutive forces change allelic and genotypic frequencies in a population. 3) a- Redish egret population in the US were hunted to near extinction in the early 1900's and the majority of survivors were the dark-feathered morph. 4) a- Bottleneck effect, b- Gene flow, c- Founder effect, d- Natural selection.
What are the evolutive forces?For a population or a species to evolve, it must be submitted to an evolutive force.
Evolutive forces are those that change a population's allelic and genotypic frequencies through generations. Otherwise, the population is in equilibrium.
These forces are,
Natural selectionGene flowGenetic drift (bottleneck-effect and founder effect)Mating systems (random or non-random)
Notice that mutations are not evolutive forces by themselves. They need to be selected by natural selection to cause a change at a population level. However, they are considered to influence evolution.
In the exposed example,
Dark-feathered Reddish egrets ⇒ USWhite-feathered Reddish egrets ⇒ Bahamas3) a- Redish egret population in the US were hunted to near extinction in the early 1900's and the majority of survivors were the dark-feathered morph.
4) a- Bottleneck effect
b- Gene flow
c- Founder effect
d- Natural selection
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Hi there is no science category so I decided to put it in this category hope that’s ok but yeah I need help with this
1. Divergent boundary occurs at X. 2. convergent boundary occurs at Y. 3. Sea floor spreading occurs at X. 4. trench occurs at Y. 5. Mid-oceanic ridge landform develops at X. 6. Subduction landform develops at Y. 7. convection in the mantle causes tectonic plate movement.
Plate boundariesAcross a three-dimensional surface or zone known as a plate boundary, there is a noticeable change in the velocity (speed or direction) of one lithospheric plate in relation to the next lithospheric plate.The three types of plate boundaries—convergent, divergent, and conservative—can be found at the edge of the lithospheric plates. Because two plates contact, wide zones of deformation are typically a hallmark of plate borders. Each of the three boundaries has a unique motion that distinguishes it.As the plates pull apart, new crust is produced at divergent boundaries. Where one plate slides under another, creating convergent boundaries. When plates glide past one other horizontally, there are places called transform boundaries where crust is neither created nor destroyed.For more information on plate boundaries kindly visit to
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Summers in Earth's Northern Hemisphere are warmest when:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
the North Pole points toward Polaris, the current north star.
axial precession matches the axial tilt.
axial precession matches the orbital eccentricity.
the North Pole points toward Vega.
None of the answer choices accurately describe when summers in Earth's Northern Hemisphere are the warmest.
What is Hotness?
In physics, "hotness" is not a term that is used. The concept that is usually referred to in relation to temperature is "thermal energy", which is the total kinetic energy of the particles that make up a substance. When the thermal energy of a substance increases, its temperature also increases, which we perceive as the substance becoming "hotter".
The warmest summers in the Northern Hemisphere occur when the hemisphere is tilted toward the sun and receives the most direct sunlight. This occurs during the summer solstice, which happens around June 20-22 each year. The axial tilt is responsible for the seasons, and the precession of the Earth's axis does not have a significant effect on the timing of the seasons.
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Which statement best describes how eukaryotic cells are able to replicate such larger amounts of DNA.
Answer:
D (I think)
Explanation:
A - No, it replicates everything
B - I think it's referring to okazaki fragments (?) which is on the lagging strand so no.
C - No, in interphase they prepare the for meiosis.
D - the only reasonable statement left
Which of the following did Mendel conclude about patterns of inheritance?
A) An organism inherits one gene in total
B) An organism inherits two genes of a given trait during gamete production
C) Similar forms of genes account for variation in the inherited traits.
D) An organism inherits one gene for each trait
The following Mendel concluded about patterns of inheritance : C) Similar forms of genes account for variation in the inherited traits.
What did Mendel conclude about patterns of inheritance?Mendel concluded that inheritance is determined by discrete units called genes, which are passed down from parents to offspring in a predictable manner.
He observed that some traits are dominant over others, and that these dominant traits can mask the expression of recessive traits. Mendel also proposed the Law of Segregation, which states that during gamete formation, the two alleles of a gene separate from each other so that each gamete carries only one allele for each gene.
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Answer:
B.
Explanation:
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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