Answer: B biodiversity to increase
Explanation:
21. Explain How did Earth's environments change
from the Neogene to the Quaternary Period?
Answer:
Climate change and the developments it spurs carry the narrative of the Quaternary, the most recent 2.6 million years of Earth's history. Glaciers advance from the Poles and then retreat carving and molding the land with each pulse. Sea levels fall and rise with each period of freezing and thawing.
Explanation:
HELP i need this question fast pls anyone i will mark brainliest
Answer:
hi! the answer you already have marked is correct.
Explanation:
D. Weathering and erosion by water.
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Answer:
D. Weathering and erosion by water
Explanation:
The river water carries sediment to different areas and lays them there. However, after breaking down the river sediment it opens a bigger area in which water may flow, thus allowing the river to become wider
What is the difference between a population and a community?
Multiple choice question.
cross out
A)
A population is made up of all species in an area. A community is made up only of one species.
cross out
B)
A population is made up of only one species. A community is made up of all species in an area.
cross out
C)
A population is made up of all the species and nonliving things in an area. A community is made up of all species in an area.
cross out
D)
The words mean the same thing.
Outline what has to occur in the body for a reflex and a voluntary action to occur.
Answer:
For involuntary actions (reflexes) the information is first detected in the sensor and travels along sensory neurons to the spinal cord. Once the action potential reaches the spinal cord, the information is transmitted across the synapse to the motor neuron. for voluntary actions,
movements are commanded by the motor cortex, the zone of the cerebrum located behind the frontal lobe. The motor cortex sends a neural message that moves through the brain stem along the spinal cord and into the neural network to the muscle being commanded.
1. What is hemoglobin?
Answer: "Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs."
Answer:
Hemoglobin is the protein in your red blood cells that carries oxygen to your body's organs and tissues and transport carbon dioxide from your organs and tissues back to your lungs. This small little protein in your blood does such a big task.
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the codon read using the genetic code to determine the amino acid is found in the
tRNA, mRNA, rRNA or DNA
helpp!!!!!!!!!!!
Answer:
tRna and mRna
Explanation:
tRna and Mran
Sheena's B lymphocytes (B cells) produced antibodies to protect her about 3-5 days after she was exposed to a virus. What type of immunity do antibodies provide
There are two types of immunity: These are acquired immunity and innate immunity.
The type of immunity that these antibodies provide is the acquired immunity.
When an individual's immune system responds to a foreign substance or pathogen, or when a person acquires antibodies from another source, this sort of immunity called the acquired immunity develops. It is a type of immunity developed over time in response to invasion of pathogens.Learn more about acquired immunity: https://brainly.com/question/21480961
A classmate states that both energy and matter can be created during photosynthesis and cellular respiration. Is this true? Explain
Energy and matter are also produced during photosynthesis.Chemical energy in the form of glucose and matter in the form of oxygen gas are produced during photosynthesis.Since these are the results of the reaction, they are regarded as process outputs.
Can both energy and matter be created during photosynthesis?
Some cells employ a process called photosynthesis to convert light energy into food.Because it enables plants to produce the food required for the rest of the ecosystem, photosynthesis is crucial.Producing organisms, or those that grow their own sustenance, are plants.The foundation of the ecosystem is formed by producers, who transform solar energy into chemical energy in the form of food for themselves and other ecosystem inhabitants.Although many ecosystems are dominated by plants, other organisms are also capable of photosynthesis.Some bacteria and algae are capable of photosynthesizing, and these organisms are the producers in their ecosystem. A biological process called photosynthesis consumes both matter and energy.The world's physical components are made of matter.The capacity to perform work is energy.By use of various mechanisms, matter and energy can be switched for one another.On the other hand, neither matter nor energy can be generated nor destroyed.The first law of thermodynamics is that they constantly evolve into new forms.All processes in the universe operate in this manner.Energy can be transformed into a variety of forms.Several instances include:Chemical drivekinetic energythe potential energy of gravityelastic force The substance and energy persist even after an organism dies.Instead, they are changed into other forms.For instance, both matter and energy are components of plants.Fungi and bacteria in the soil aid in the breakdown of a plant's internal substance into its constituent parts when it dies.These can be used by newly sprouting plants by being recycled into the soil.As a result, neither the energy nor the substance is wasted; rather, they are transformed into new forms.To learn more about photosynthesis refer
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Renewable energy sources account for the majority of energy production. Please select the best answer from the choices provided T F.
Renewable source of the energy is defined as the energy collected from renewable sources like wind, water, and light, which can be replenished on the Earth over time.
The given statement is False.
Renewable energy accounts for 20% of the total utility scale. The majority of the energy is derived from non-renewable sources. The non-renewable source of energy cannot be replenished over time and can be exhausted after certain years.
Renewable resources like, wind and waves are used to obtain energy by applying scientific equipment and technologies. The output of renewable sources of energy is lesser as compared to non-renewable sources of energy.
Thus, non-renewable sources of energy account for the majority of energy production.
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Answer:
F
Explanation:
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How far apart are Y and L? Give your answer in map units. (Hint: Add the numbers of the two recombinant types, divide by the total number of offspring, and multiply by 100.)
Do you have a picture of the map?
PLEASE HELP! MAJOR QUESTION FOR ASSIGNMENT! WILL GIVE BRAINLIEST!
Describe the reproductive process of an angiosperm, from pollen production through the formation of a seed.
Answer:
The angiosperm life cycle consists of a sporophyte phase and a gametophyte phase. The cells of a sporophyte body have a full complement of chromosomes (i.e., the cells are diploid, or 2n); the sporophyte is the typical plant body that one sees when one looks at an angiosperm.
Explanation:
On average, men have a basal metabolic rate (BMR) of 1.0 kilocalorie per kilogram per hour. Lawrence weighs 198 pounds. Calculate how much energy Lawrence expends for basal metabolism per day.
The energy Lawrence expends for basal metabolism per day is 2,160 kilocalories per day.
Basal metabolic rate is defined as the amount of energy that is used when an individual is at rest.
This energy is used for life sustaining functions such as:
breathing,circulation,nutrient processing andcell production.To calculate the Basal Metabolic Rate for Mr Lawrence,
Lawrence weight = 198 pounds
60
(convert pounds to kilogramme)
1 pound = 0.453592kg
198 pounds = x
xkg = 0.453592 × 198
= 89.8 kg
But BMR for average men = 1 kilocalorie per kilogram per hour.
That is, 1 kilocalories = 1 kg per hour
x kilocalories = 89.8 per day
Therefore for a day = 89.8 × 24 ( 24 hours = 1 day)
= 2155.469184
approximately. = 2,160kilocalories per day
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which important event in meiosis occurs during prophase?
Answer:
Crossing over
Explanation:
for variations which is one of the most important characteristic for Meosis
What is the relationship between gene expression and human reproduction and development?
plss
In the same way, cells during development also express specific sets of genes. These patterns of gene expression cause cells to communicate with neighboring cells, resulting in coordinated development into a multicellular organism.
the major chemical constituent of a cell, by weight, is
Answer:
Water
Explanation:
It is 70% of a cell's weight.
what birds is a likely biological explanation for The
Mothman?
Answer:
owl is a like biological explanation for mothman......
which codon on the mrna strand codes for the amino acid carried by the aminoacyl-trna represented in the figure?
Answer:5’UUC-3
Explanation:
what do dna evidence and the fossil record indicate are the ancestors of the living cetaceans, the mammalian group that includes whales, dolphins, and porpoises?
DNA evidence and the fossil record indicate are the ancestors of the living cetaceans were land-dwelling mammals. DNA evidence allows to trace the evolutionary origin of taxonomic groups.
DNA evidence refers to the linear order of nucleotides, which can be used to trace the evolutionary origin of a particular taxonomic group.
When the linear order of DNA nucleotides is conserved, it is known as sequence homology.
Fossils are preserved remains of organisms that once lived on the Earth, which can also be used as evidence to trace the evolutionary origin of a given group.
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Sucrose is an organic compound made by plants for quick energy.
What type of organic compound is sucrose?
protein
carbohydrate
lipid
nucleic acid
Answer:
it's a carbohydrate
Explanation:
Sucrose (which is known as a table sugar) is a very common disaccharide, which is made up of the monomers glucose and fructose.
Which of the following should be included in a good conclusion?
Answer:
b? hope this helps have a nice day!
Which statement best describes what is occurring in the diagram?
A- DNA is being replicated
B- RNA is being used as a template to make tRNA
C- RNA serves as a template to synthesize new DNA molecules
D- DNA serves as a template to make a strand of
SOMEONE PLEASE HELP ME!!!!!!!
In a phrase, tell me what each scientist did to help develop the cell theory.
Scientists: Hooke, Leeuwenhoek,
Schleiden, Schwann, and Virchow
What is the surface temperature of Barnard's Star in Kelvins? (Astronomy)
Answer:
the answer should be 3,100 kelvin.
Explanation:
its surface has very hot flares causing it to be about 3,000 to 8,000 kelvins. this would mean its surface temperature should be around 3,100.
true or false? a flood that separates a population of frogs onto opposite sides of a lake is an example of a vicariance event that may result in allopatric speciation.
Answer:
true
Explanation:
astronomy is the study of the ___ beyond earth.
astronomers are scientists who study:
. _____
.___ systems.
. ______
. galaxies.
Fill in all the blanks plssss.s
Phenomenon: Miss Westbrook visited family in Aspen last spring. Aspen is in Colorado and has an elevation of 8,000-9,000 feet. The Bay Area has an elevation of 0-100 feet. Miss Westbrook’s breathing and heart rate both sped up every time she went hiking or skiing in Aspen. Why do you think this happened?
Hint: Your brain regulates the rate and depth of your breathing to match the needs of your body for 02 intake and CO2 removal.
Breathing rate refers to the number of breaths per minute.
This happened due to the low air pressure in the highest areas of Colorado, which made hard the intake of air.
Air pressure is fewer as the elevation in an area increases. In other words, the air over us is less, so the pressure that it makes is lower.
Miss Westbrook's heart rate and breathing sped up due to the low air pressure that she experimented with when ascending or when skiing in Aspen, which is very elevated. As the pressure is lower, not much air can enter the lungs, so her brain increases the breath rate to obtain the same amount of oxygen that her body had when breathing normally on the Bay. As there is not enough oxygen in her body, the brain also increases the heart rate to match the rhythm of the breath and deliver the scarce oxygen to the different parts of the body.
In conclusion, the increase in the heart and breath rate happens due to the low air pressure in elevated areas that makes our body find ways to compensate for the decrease in the amount of oxygen that our body can take.
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Which type of cytoskeletal element is characterized as a hollow, rigid cylindrical tube with walls composed of tubulin subunits
The scientific community disagrees about _______. A. The rate of global climate change b. The occurrence of global warming c. The need for action d. All of the above Please select the best answer from the choices provided A B C D.
The scientific community disagrees about the rate of global climate change (Option A). The occurrence of global warming is widely accepted by the scientific community.
Global climate change refers to the fluctuations in temperatures worldwide.
Global climate change is caused by the use of fossil fuels such as oil, coal and natural gas, which are known to be associated with the increasing concentration of greenhouse gases in the atmosphere.
The greenhouse gases include, among others, carbon dioxide (CO2) and methane (CH4).
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Answer:
a
Explanation:
2. part of a plant is removed to grow another plant
Answer:
Cutting
Explanation:
Explain why carbon dioxide is constantly given off during the Krebs cycle.
Answer:
Hope it helps
Explanation:
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Glycolysis and the citric acid cycle both produce carbon dioxide, which is a crucial byproduct (Krebs cycle). This oxidized carbon is a metabolic waste product that must finally be eliminated through transit to the lungs and subsequent exhalation into the environment.
What is the purpose of Krebs cycle?
Pyruvate is converted into three different products by the Krebs cycle: carbon dioxide, a little quantity of ATP, and the reduced molecules NADH and FADH.
Each acetyl group adds two carbon atoms to the citric acid cycle. On each cycle turn, two carbon dioxide molecules are emitted.
However, these do not include the identical carbon atoms that the acetyl group contributed on that turn of the circuit.
Therefore, carbon dioxide is constantly given off during the Krebs cycle.
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