Answer:
The answer would be food, water, shelter, and space.
Explanation:
Answer:
They need air, food, water, and shelter.
Explanation:
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Fluid is filtered from blood as it enters a capillary due to the _____, but fluid is reabsorbed as the blood exits a capillary due to the _____. Group of answer choices hydrostatic pressure from smooth muscle; cooler temperatures in venous blood osmotic pressure from salts; hydrostatic pressure from the veins blood pressure from the heart; osmotic pressure from proteins in the plasma
Fluid is filtered due to the hydrostatic pressure from the heart, but fluid is reabsorbed due to the pressure from proteins in the plasma.
What is hydrostatic pressure?The expression hydrostatic pressure makes reference to the pressure exerted by a fluid, in this case, the blood in the bloodstream.
Fluid is filtered from blood as it enters a capillary due to the hydrostatic pressure from the heart.
However, during this process fluid is reabsorbed as the blood exits a capillary due to the pressure from proteins in the plasma.
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during the water cycle, water evaporates, rises into the atmosphere, and eventually falls back to earth's surface as precipitation. what is the original source of energy that produces these changes
When warmed by the sun, water on the surface of oceans and freshwater bodies evaporates, forming a vapor. Water vapor rises into the atmosphere, where it condenses, forming clouds. It then falls back to the ground as precipitation. Moisture can also enter the atmosphere directly from ice or snow.
The original source of energy for the water cycle is sunlight. It falls on the earth's surface and causes the water to evaporate.
As the sunlight falls on the surface of the earth's surface, the water in the oceans or water bodies evaporates and the glaciers sublimes which converts directly from solid to gas or vapor form.
The vapor rises up in the atmosphere and forms the clouds this process is known as condensation. These water vapors falls back to earth's surface by the process of precipitation or raining.
This is known as water cycle. Therefore, the answer for the given question is sun energy or sunlight.
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Use the drop-down menu to complete the statement.
Consider a star with a surface temperature of 6000 K.
Use the information presented on the graph to
complete the statement.
The star emits most of its energy in the v
range.
UV
visible light
infrared
Answer:
B: visible light
Explanation:
Answer:
B
Explanation:
. A piece of wood is collected from the sediments of the Mississippi Delta. A sample from the wood originally had one million (1,000,000) C 14 atoms. Now it only has 125,000 C 14 atoms. How old is the sample?
The wood sample is 17190 years since the carbon-14 isotope has undergone 3 half-lives.
What is the halflife of a radioactive element?The Half-Life of a radioactive element is the time taken taken for half the atoms present in the nucleus of that element to disintegrate.
The half life of carbon-14 is 5730 years.
Initial amount of carbon-14 in the wood sample = one million (1,000,000) atoms.
Now it only has 125,000 C 14 atoms.
Number of half-lives undergone = 3 half-lives
Age of the wood sample = 3 × 5730 = 17190 years
Therefore, the wood sample is 17190 years old.
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I need help with those two questionsss
Answer:
5 is c
4 is b
areas of cover that connect isolated habitat are called __
a. habitat connectors
b. patch links
c. tree belts
d. wildlife corridors
Answer:
d. wildlife corridors
Explanation:
Answer:
d. wildlife corridors
Which action would best help a person prepare for a hurricane?
A. Dressing warmly
B. Making an evacuation plan
C. Stocking up on reading materials
D. Making a healthy meal plan
Answer:
B. Making an evacuation plan
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healthy soil is able to provide all the nutrients that support plant growth and to do so year after year what biotic or a abiotic factor directly supplies these nutrients
Answer:
Expl A. Microorganisms that live in the soil or on plant roots
B. Water from rain or melted snow
Explanation: Soil is the base for plants to grow. A soil is termed as healthy soil which contains all the biotic and abiotic factors that are essential for the plant growth.
Biotic factors : Biotic factors include all the necessary living organisms that promote plant growth. Biotic factor mainly include bacteria , fungi , protozoa , algae etc.
Microorganisms made Symbiotic relationship with plant. They provide plant essential nutrients and plant provide them shelter.
Abiotic factors : Abiotic factors include non living factors such as air , water , sun light etc.
Water is most important abiotic factor for healthy soil. Water helps plant to transport essential nutrients present in soil through the plant. Water also gives plant stability in the soil.
Melted snow can also be used in place of water.anation:
What might result for a eukaryotic organism that lacked functional telomerase?.
What was true about the peppered moth population in England during the Industrial Revolution.
A. The species became extinct because the pollution was an environmental change and they couldn't adapt to.
B. Only the white moths became extinct because they couldn't blend into their environment and they all got eaten.
C. The dark moths, which before the Revolution were rare, increased in number near the cities.
D. The populations didn't change because the Industrial Revolution was only temporary.
Answer:
C
Explanation:
When the smoke covered the city the black moths were more camoflagued.
What are generated during the Krebs cycle?
A)pyruvate molecules
B)glucose molecules
C)electrons
D)electron carriers
Answer:
Pyruvate molecules should be the answer
What elements are nanowhiskers usually made?
Answer:
Nanowhiskers are tiny threads that measure about 10 nano- meters (1 nm = 0.000000001 m) in length and 1.5 nanometers in diameter. They are often made of carbon or silver.
Which option best describes the steps of the scientific method after performing an experiment?
A. gather and analyze data → draw conclusions → alter or form a new hypothesis
B. share data → form a hypothesis → draw conclusions
C. make an observation → form a hypothesis → analyze data
D. draw conclusions → share data → alter or form a new hypothesis
Answer:
A. gather and analyze data → draw conclusions → alter or form a new hypothesis
Explanation:
After you perform an experiment you gather and analyze your data, then you draw conclusions based on your evidence, and with that evidence you form or alter a new hypothesis.
A very small infectious agent composed of DNA or RNA surrounded by a protein coat and that can only reproduce within a host cell is called a
Answer:
virus
Explanation:
Organizations and agencies are a result of _______ in environmental protection issues. a. contingency plans b. hunting regulations c. government involvement d. all of the above
Organizations and agencies are a result of government involvement in environmental protection issues.
What is the organization protecting the environment?The organizations are made to protect the environment.
These organizations protect the trees, and animals and make rules to conserve the environment.
The saving environment is important to protect mankind.
Some organizations are worldwide fund, PETA, department of environment, food and rural affairs, etc.
Thus, the correct option is c. government involvement
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Answer: C. government involvement
Im not sure what to do and this is for extra credit can someone explain
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________. group of answer choices left atrium to the right atrium left ventricle to the right ventricle right ventricle to the right atrium left ventricle to the left atrium
When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the left ventricle to the left atrium.
The heart valve and its functionsThe heart is a hollow organ of the circulatory system that uses its electrical activities to pump blood to the whole body
The structure of the heart consist of the following parts
The four chambers: Includes the left ventricle, right ventricle, left atrium and right atrium.The valves: This includes the mitral, tricuspid, pulmonary and aortic valves.The mitral valve is located in the left chamber of the heart between the left atrium and left ventricle. It maintains the one-directional flow of blood through the heart.
Therefore, when the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the left ventricle to the left atrium.
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The fovea has the greatest visual acuity in bright light primarily because the fovea is:.
The fovea has the greatest visual acuity in bright light primarily because the fovea is has the highest density of narrow and elongated cone receptors.
The light sensitive area of the eyeThe eye is one of the sense organs that is use for sight by mammals. It contains the following parts:
Pupils,Cornea,Choroid,Retina,Conjunctiva andlris.All the images refracted by the eye lens is focused on the retina.
The fovea is part of the retina that is made up of high concentration of cone cells that helps to maximize light detection.
Therefore, the fovea has the greatest visual acuity in bright light primarily because the fovea is has the highest density of narrow and elongated cone receptors.
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Viruses are composed of Group of answer choices proteins, RNA and ribosomes single stranded DNA double stranded DNA and RNA Single stranded RNA RNA or DNA, but never both, and a protein coat
Answer: Viruses are composed of eight proteins. RNA. And ribosomes. Vi single stranded DNA. C. Double stranded DNA. And RNA. D. Single stranded RNA. A. E. RNA or DNA. Never both and a protein coat. It's a great answer. Here is e so virus has two components that all of them have nucleic acid and a protein caps it so this is their genetic material. It can be RNA or DNA. It can be single stranded or double stranded of Eva. But it's never a mixture of DNA and RNA. So it's one or the other and they have a protein caps it here the protein coats. So all viruses have these two components some also have a lipid envelope and those are called enveloped viruses. All of them have these two components. They don't have ribosomes. They need to use the host ribosomes translate their genes. There. I'm RNA is they may have single stranded DNA but they'll also have the protein caps it. And they could be R. N. A. Same for single stranded RNA. They could be single stranded DNA. Or double stranded DNA. And that MRS. For protein. And see it cannot be because this is a mixture of nucleic acids. And also another edition is they can have proteins that come along with them. For example. HIV will bring along reverse transcriptase inside the very um but they all at least definitely have RNA or DNA but not both. And a protein coat. All viruses will have that
How does a potometer work,explain in details
What do the respiratory system and cellular respiration have in common? question 2 options: oxygen plays a key role in both. they both rely on the heart. they both expel oxygen as a waste product. they have nothing in common.
answer: A. Oxygen plays a key role in both.
Explanation: I took the quiz.
Which area is approximately two-thirds of the distance between the navel and the hip bone in the rlq?.
Answer:
The appendix
Explanation:
The area that is approximately two-thirds of the distance between the navel and the hip bone in the RLQ. Pain in this area may mean appendicitis.
RLQ: is the lower right quadrent on you stomch
The navel is your belly button
Appendicitis: Is a inflamation between your small intestine and apendex
After 38 years of state protection, the Florida black bear is joining a list of more than
60 animals that have been removed from the state's endangered species list. The
Florida Fish and Wildlife Conservation Commission (FWC) voted unanimously that
the species had regained a healthy population and is no longer in peril. Which of the
following most likely led to the change in the Florida black bear's status?
After 38 years of state protection, the Florida black bear is entering a list of more than 60 animals Florida Fish and Wildlife Conservation Commission (FWC) voted unanimously.
What is status of Florida black bear?The Florida black bear is recorded as a Recovered species; they are no longer regarded a protection concern. Both the human and black bear people in Florida have lived rising since the 1980s. They are, however, protected by the Bear Conservation Rule.
Thus, the Florida black bear is recorded as a Recovered species; they are no longer felt a conservation concern, watched by the Bear Conservation Rule.
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the chart below shows many traits found in pea plants. what would be the genotypic ratio for seed color in the F2 generation
The chart here is not found but is possible to determine phenotypes and genotypes by calculating the gametic combinations through a Punnet square.
What is a Punnet square?A Punnet square is a specific diagram used in genetics to calculate phenotypic and genotype frequencies.
A Punnet square is constructed by using the possible gamete combinations that will give rise to offspring.
The phenotypic frequencies obtained from a Punnet square depend on the type of inheritance mechanism.
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what type of inheritance controls blood types in humans.
Answer:
A gene l
Explanation:
How does natural selection affect a single-gene trait?.
Answer:
it can lead to changes in allele frequencies and then to evolution
What is the difference between an introduced and an invasive species?
a) An introduced species is new to the ecosystem; an invasive species has been there a long time.
b) An introduced species is brought in on purpose; an invasive species is brought in by accident.
c) An introduced species is not necessarily harmful to the environment; an invasive species has a negative effect.
d) An introduced species is added in by humans; an invasive species enters new ecosystems on its own.
An introduced species is added in by humans; an invasive species enters new ecosystems on its own.
The graph represents the population trends for insects and the climatic factors during each month in an ecosystem.
Which conclusion does this graph support?
A The number of insects was fewer in October when there was a drop in the relative humidity and rainfall.
B The number of insects was higher in February when there was a drop in the average temperature and rainfall.
C The number of insects was fewer in December when there was a rise in the average temperature and relative humidity.
D The number of insects was higher in March when there was a rise in the average temperature and relative humidity.
Answer:
B
Explanation:
I would say B is the only one this supports. A is incorrect because there is not a drop in relative humidity in October. C is incorrect because there is not a rise in humidity. D is incorrect because the number of insects isn't higher in March, it's lower.
In the space provided, describe the similarities and differences between the seasonal changes of the oak tree in Florida and the oak tree in Maine make it Conclusions
Science pls
Owing to climatic peculiarities the changes of oak in Florida and oak in Maine are distinguished, in these cases differences are remarkably satisfactory.
The seasonal changes of the oak tree in Florida and the oak tree in MaineMany oaks are native to Florida. Some Florida oaks include
shumard oakwillow oakand southern live oak.Northern red oaks can also be found in northern Florida. Some other oak trees in Florida include
black oakbluff oakchapman oakchinkapin oakand laurel oak.With this information, we can conclude that owing to climatic peculiarities the changes of oak in Florida and oak in Maine are distinguished, in these cases differences are remarkably satisfactory.
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Laws of inheritance
Explain the difference between a theory and a
law.
DONE
Answer:
Although theories and laws explain various concepts in science, there is a definitive difference between theory and law. Theory explains why something happens whereas law describes what happens when certain conditions are present. This is the key difference between theory and law.
Explanation:
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