204k views
20 votes
What is the importance of the carbon and nitrogen cycles to ecosystems?

They ensure that matter only moves within a nonliving environment.


They are needed to release the energy stored in food.


They supply the energy needed for living processes.


They provide materials organisms need to build their bodies.

User Realdark
by
5.9k points

1 Answer

7 votes

D They provide materials organisms need to build their bodies.

Step-by-step explanation:

plant absorbs n2 animal eats it the plant the animal dies it releases the n2 as n2 ammonia which a plant absorbs beginning the cycle again.

animal inhales oxygen exhales co2 plant absorbs co2 releases o2. and then the cycle begins again.

User Anton Pilyak
by
6.7k points