Answer:
No but they have cardiac chamber, compared with humans' four-chamber hearts, are a group of cells called nephrocytes that serve the same function as human kidneys
Explanation:
Eutrophication is the overgrowth of algae in lakes and ponds
that is usually caused by the introduction of different chemicals
into the water from fertilizer run-off. Some ways to combat this
are to increase the flow of moving water, prevent contamination
from fertilizer, and reduce pollution of our lakes and streams.
Can you elaborate it’s confusing I think it’s consequence tho
