I'm not completely sure about this answer because our unit on that was very short. So please don't be upset if its incorrect.
The answer is phytoplankton and water depth, because in order for any ecosystem to survive they need the producer population (Plants)
Middle School
Basic Rank
Immune and reproductive i think
<em>T</em><em>he smallest unit into which a substance can be divided without changing its chemical </em><em>nature</em>
<em>Hopes </em><em>this </em><em>helps</em><em> uh</em><em> ♥️</em><em>♥️</em>
Answer:
Effluent water
Explanation:
Effluent is a water that is returned to the environment after secondary treatment. It is a liquid waste that is discharged in the sea or river.:)
The type of bats that is well suited for the study of echolocation in animals are the microbats. microbats can navigate in total darkness just by the ultrasound they produced in their larynx. the frequency of ultrasound the produced is very high that way beyond the capacity of the human ear.