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Serggg [28]
3 years ago
13

Which of the following pairs concerning mitosis is correct? A)Metaphase:Chromosomes duplicate

Biology
1 answer:
amm18123 years ago
3 0
D)Prophase: Nuclear membrane disappears
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What does alternative energy mean ?
Kitty [74]

energy generated in ways that do not deplete natural resources or harm the environment, especially by avoiding the use of fossil fuels and nuclear power.

8 0
3 years ago
Why do biologists measure the number of trophic levels in an ecosystem?
slega [8]

Answer:

Biologists measure the number of trophic levels in an ecosystem so as to check its stability and health.

Explanation:

Trophic levels are the feeding position in a food chain such as primary producers, consumers, etc. They are positions that an organisms occupies in a food chain (series of steps in which organisms transfer energy by eating or being eaten);- what it eats and what eats it. 

Theoretically there is no any limit to the number of trophic levels in a food chain or number of organisms that live on each level.

3 0
3 years ago
A food contains organic molecules with the elements C, H, and O in a ratio 1:2:1. To what class of compounds do these molecules
andrew11 [14]

Answer:

A compound with a C:H:O. ratio of 1:2:1 is a carbohydrate. The body uses carbohydrates mainly as an energy source.

Explanation:

hope it helps

6 0
3 years ago
Mark as brainiest<br> answer correctly
JulsSmile [24]

Answer:

○ acid rain

○ Secondary Consumers

Explanation:

Coal plant contains one of the following contaminants besides carbon dioxide: sulfur dioxide, which results in acid rain.

__________________________________________________________

This is the order of how a food chain looks:

Producers → Primary Consumers → Secondary Consumers → Tertiary Consumers...

It continues on for as long as it can.

I am joyous to assist you anytime.

7 0
3 years ago
The study of how and why the number of individuals in a group of animals changes over time is called
inn [45]
Density................
5 0
3 years ago
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