Answer:
The correct answer is D.
Explanation:
The madreporite, which is present in the animals of echinoderm family including sea stars, sea cucumbers and sea urchins, is a part of the circulation system and an opening on the body of the animal that allows it to filter the sea water before taking it in to it's vascular system and control what goes in and out, sort of like a mouth.
I hope this answer helps.
Answer:
from carbon dioxide in the atmosphere
explanation: when we breath out we are leaving carbon dioxide in the atmosphere and that is how plants get carbon dioxide and give us oxygen
Answer:
True
Explanation:
Our perceptions of things in life are drastically altered by our own expectations.
This is outlined by the perceptual set in psychology.
This is a mental predisposition that changes how we perceive the world, based on our personal experiences and expectations.
So, this statement is true, because our perceptions are guided by our expectations and can create illusions.
Answer:
Engine because it's the energy for the cell.
Hope it helps :)