Answer:
Vacuoles
Explanation:
Vacuoles have enclosed compartments which are filled with water containing inorganic and organic molecules including enzymes in solution.
They were similar to modern humans in that they were bipedal (that is, they walked on two legs), but, like apes, they had small brains. Their canine teeth were smaller than those found in apes, and their cheek teeth were larger than those of modern humans.
Answer:
D. They remove algae from the water.
A. They eat algae.
Explanation:
Searched it up on Google.
