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ExtremeBDS [4]
3 years ago
5

PLEASE HELP!!!

Biology
1 answer:
VikaD [51]3 years ago
5 0
The answer is A: Mass extinction.

"Abrupt disappearance of many land and marine species" = extinction of many species.


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6 0
3 years ago
A large population of mice is isolated on an island. There are two varieties of the mice, brown and gray. Their fur colors close
Nadusha1986 [10]

Answer:

C. disruptive natural selection

Explanation:

Disruptive selection is a type of natural selection in which extreme phenotypes are favored over intermediate phenotypes in a population. Environmental change is a major factor that can bring about disruptive selection. The individuals with the extreme phenotypes adapt well and are able to survive in the particular environment, while those individuals with intermediate phenotypes would hardly survive or be greatly reduced in number.

The gray rock outcrops and the brown soils of the Island favors the survival of mice with brown and gray fur color respectively. The fur colors of these two extreme phenotypes in the population of mice, have helped both varieties against Hawks as their main predators, hence establishing their existence on the Island.

3 0
3 years ago
Select all the correct answers.
Agata [3.3K]

Answer:

A) Plants can’t photosynthesize at night.  

C) Plants need ATP production for the entire day.

Explanation:

A) is correct. Photosynthesis occurs only in daylight hours.

B) is wrong. Photosynthesis peaks at noon when the sun is at its peak.

C) is correct. Plant respiration occurs both day and night.

D) is wrong. Photosynthesis begins at sunrise.

4 0
3 years ago
Are cells living or non living
ludmilkaskok [199]

Answer:

CELLS! Living things use energy, move, consume water and food, etc. Any individual form of life that is capable of growing and reproducing is considered an organism. All organisms get water and other materials from the environment.

Explanation:

3 0
3 years ago
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If you increase the amount of carbon dioxide in a plant's environment, the amount of photosynthesis decrease sharply.
scZoUnD [109]
False,carbon dioxide - with water - is one of the reactants in photosynthesis. If the concentration of carbon dioxide is increased, the rate of photosynthesis will therefore increase. Again, at some point, a factor may become limiting.
7 0
3 years ago
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