Question

What is the primary role of decomposers in a ecosystem?

Answer 1

Decomposers break down the dead plants and animals in an ecosystem. They prevent the build-up of wastes and allow plants to receive nutrients.

Answer 2

thx @kobeni-chan

Answer 3

Wait which answer choice would it be though?

Answer 4

Umm idk you didn't give answer choices.

Answer 5

A) They eliminate matter by taking nitrogen from the ecosystem
B) They eliminate matter by taking phosphorus from the ecosystem

Answer 6

C) They cycle matter by returning carbon and other mater to the ecosystem
D) They cycle matter by returning oxygen and other matter to the ecosystem.

Answer 7

thats all of them

Answer 8

It's either C or D since they are allowing nutrients to keep passing through everything...maybe C, since plants take in carbon dioxide?

Answer 9

ok are you sure because this is the last test of the year and im trying to get an A

Answer 10

I believe so. There seems to be more things on google about decomposers cycling carbon than oxygen. I would pick C.

Answer 11

ok thx mind helping with others?

Answer 12

Sure :)

Answer 13

thx

Answer 14

How can humans best help protect an endangered species avoid extinction?

Answer 15

A) They can feed the animals
B) They can put the animals in a zoo
C) They can protect the animal's habitats
D)They can take the animal to new habitatas

Answer 16

Well which one do you think it is?

Answer 17

Uhh i think its C but idk

Answer 18

That's right :)

Answer 19

Turn up :)

Answer 20

Next one

Answer 21

Which statement best describes how birth and death rates compare in a population at carrying capacity?

Answer 22

A) The birth rate is greater than the death rate.
B) The birth rate is less than the death rate.
C) The birth rate is equal to the death rate.
D) The birth rate and the death rate are zero.

Answer 23

Carrying capacity is the population being maintained with enough food and necessary resources. So it'll be C. since the birth rate and the death rate would be balanced.

Answer 24

oh ok thanks

Answer 25

Which of the following can not be recycled through Earth's ecosystem?

Answer 26

A) Water
B) Energy
C) Nitrogen
D) Carbon

Answer 27

Umm not completely sure on this one. Though I do know that water, nitrogen, and carbon have their own cycles, so I would say to pick nitrogen.

Answer 28

ok

Answer 29

Also, when you give me the questions, how about you say which one you think it is upfront? Because we're not really supposed to just be giving out answers on here, but I'm pretty sure I'm allowed to tell you if your thinking was right :)

Answer 30

oh ok