Osmosis refers to the movement of water!!
First blank: The mobility of their hosts same goes for the second one :)
Answer:
If there wasn't a lot of organisms and energy in the productive part of the triangle, then there wouldn't be a lot of third level organisms. The energy piramid would be a lot smaller then what it is here, and maybe if the energy source was low then there might not be such a vast varity of animals in the ecosystem.
You're welcome friend <3
Answer:
b
Explanation:
animals need energy to survive basically to breakdown materials too
