The fish living near a coral reef feed off of small organisms found in the reef's crevices. some sea animals hide among the coral for protection against larger predators. even though it is not living, the sand under the coral reef is also useful as it holds the coral reef in place. identify the term given to these interacting organisms and the nonliving parts of their environment.
a) habitat

b) population

c) community eliminate

d) ecosystem

The correct answer is option D) "ecosystem".

Explanation:

An ecosystem is one of the most broad concepts used in Ecology. Ecosystem refers to a biological community, including its living and nonliving components and how they interact. All the components mentioned in this example are part of an ecosystem, including the fish, the coral reefs, the small organisms, the predators, the sand, and how they all interact to each other.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.