An aquatic ecosystem that may include protists and bacteria as producers in a well-lit zone and detritus feeders in a deeper dark zone is a(n) ____.
A) estuary
B) stream
C) lake
D) coral reef
E) hydrothermal vent

Question

An aquatic ecosystem that may include protists and bacteria as producers in a well-lit zone and detritus feeders in a deeper dark zone is a(n) ____.​
A) ​estuary
B) ​stream
C) ​lake
D) ​coral reef
E) ​hydrothermal vent

Quizplus · Accepted Answer

Lake ecosystems can include protists and bacteria as producers in the photic zone where sunlight penetrates, and detritus feeders in the aphotic zone, where light is insufficient for photosynthesis.

An Aquatic Ecosystem That May Include Protists and Bacteria as Producers