Question 1

What is carbon cycle?

Accepted Answer

When carbon is cycle between the atmosphere

Question 2

Cellular respiration

Accepted Answer

occurs inside the cells of most organisms

Question 3

climax community

Accepted Answer

a final and stable community

Question 4

What is a consumer?

Accepted Answer

it is organisms that get their energy by eating other organisms

Question 5

decomposer

Accepted Answer

they get their food by breaking down dead organisms

Question 6

Ecological Succession

Accepted Answer

a gradual process of change and replacement

Question 7

Describe Food Chain

Accepted Answer

a sequence in which energy is transferred from one organism to the next

Question 8

Food Web

Accepted Answer

shows many feeding relationships that are possible in an ecosystem

Question 9

Nitrogen Cycle

Accepted Answer

a process in which nitrogen is cycled between the atmosphere, bacteria, and other organisms

Question 10

nitrogen fixing bacteria

Accepted Answer

can fix atmospheric nitrogen into chemical compounds

Question 11

Phosphorus Cycle

Accepted Answer

the movement of phosphorus from the environment to organisms and then back to the environment

Question 12

what is photosynthesis

Accepted Answer

it is engery from the sun that enters an ecosystem when a plant uses sunlight to make sugar molecules

Question 13

pioneer species

Accepted Answer

the first organisms to colonize any newly available area and begin the process of ecological succession

Question 14

primary succession

Accepted Answer

a type of succession that occurs on a surface where no ecosystem existed before

Question 15

producer

Accepted Answer

is an organism that makes its own food

Question 16

secondary succession

Accepted Answer

is more common type of succession when it occurs on a surface where an ecosystem has previously existed

Question 17

Trophic level

Accepted Answer

the transfer of energy through a food chain or web

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