How do echinoderms get their energy

chinoderms do not actively regulate their body temperature. Instead they live in environments where the temperature of the environment is at a temperature that they can survive in. (1) Echinodermsare considered cold-"blooded" organisms, meaning that the temperature of their bodies corresponds to the temperature of the environment

Explanation:

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.