BIOLOGY HIGH SCHOOL

An ecosystem is experiencing a devastating drought. It has not rained in weeks. How will the servere lack of rainfall affect the biotic factors in the ecosystem

Answers

Answer 1
Answer:

Answer:

 

Drought impacts ecosystem in many different negative ways.

  • All biotic factors (that is living organisms) in an ecosystem depend on water.
  • It can also lead to losses or destruction of fish and wildlife habitat.
  • Lack of food and drinking water for wild animals.
  • Increase in disease in wild animals, because of reduced food and water supplies.
  • Drought can lead to increases in wildfire and insect outbreaks, local species extinctions, forest diebacks, and altered rates of carbon, nutrient, and water cycling – all of which can have real consequences for ecosystems and human communities alike
  • Plants and animals depend on water, just like people. When a drought occurs, their food supply can shrink and their habitat can be damaged.
  • Sometimes the damage is only temporary and their habitat and food supply return to normal when the drought is over.
Answer 2
Answer:

Answer: There will be adjustment on water loss mechanisms and development of water conservation

Explanation:

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The moon has her porches turned to face the light,But the deep part of her house is in the darkness. Choose the statement that best explains the author’s meaning using the lines above? A. The author notices that half the moon is lit by the sun while the other half is in darkness. B. From earth, the author sees all parts of the moon at some point through the night. C. The author means the moon is full of seas of liquid water. D. The earth’s shadow is blocking part of the moon from the author.
If there is a mutation in a zygote, where is it likely to be found in the fetus?A: The mutation will show up in any fetal cells formed by mitosis but not in those formed by meiosis. B: The mutation will only be in the one cell that was the original zygote and the other cells of the fetus will not have it. C: The mutation will occur in all the cells of the fetus since they all formed by mitosis from the zygote. D: The mutation will only be found in the types of cells in the fetus that are formed by meiosis.
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Which important event in meiosis occurs during prophase?

Answers

Answer:

Crossing over

Explanation:

for variations which is one of the most important characteristic for Meosis

Polymerization and the break down of a polymer are two opposite reactions. What role does a water molecule play in both of them?

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Inthe process of polymerization, a chain of similar smaller moleculescalled monomer join together to create very large molecules calledpolymer. Through this chemical reaction, water is created as aby-product. In contrast to hydrolysis or breaking down of polymers, a water molecule is used to break the covalent bond that hold thecomponents of a polymer.

Body weight in kilograms divided by height squared in meters yields A. the obesity index. B. the body mass index. C. relative weight. D. percent body fat.

Answers

Answer:

Body Mass Index

Explanation:

Why do most organisms that die not leave a record of their existence

Answers

They leave no record of their existence because it's rare that fossils form. You need the right conditions in which the animal's remains are covered in silt, dirt, and rock layers in order for a fossil to form and therefore preserve the animal's remains in rocks. Otherwise, the animal's remains will be eaten by other animals or eventually rot away. 

Which of the following gases is NOT found in Earth’s atmosphere?a. oxygen
c. hydrogen
b. nitrogen
d. all of the above are in the atmosphere

Answers

The correct answer is letter c. hydrogen. Hydrogen is not commonly found within the Earth's atmosphere, but it is found on parts of the water. Hydrogen's pure form is rarely to be found on Earth's atmosphere. Oxygen and Nitrogen are two gases that makes up the Earth's atmosphere.

Answer:

The answer would be C. hydrogen

Explanation:

There is basically no hydrogen in the atmosphere as it barely makes up 0.0001 % of the atmosphere

Hope this helps ;) and if it does i would appreciate for this to be the brainliest answer =).

Most ocean-water usage is for _____. mining industry desalination power plants

Answers

The answer is Desalination. Desalination is the process of removing minerals from salt water. Most ocean-water consumption and supply are most likely to be very particular in this places like USA, Europe, Africa and UN. Desalination depends on the capacity and facility of the place.

Answer:

desalination

Explanation:

odyssey ware

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