Answer:
I think the answer is B. I think energy decreases as it moves up tropic levels when it is lost as the organisms from one level consume the organisms in the other.
Explanation:
It can't be A because animals do travel from one ecosystem to another. It's migration. It's not C because air can be used by organisms as once as the air moves out of their ecosystem because air is everywhere and the organisms need air to breathe and to live. D is definitely incorrect because matter can't be created or destroyed. Remember that an ecosystem is the organisms physical environment. I hope this answers your question.
Answer:
absorption of water
because the picture is a plant cell and the vacoule is very large in which it contains the solution of the cell
That thing would need to rely on some source of food to live. Plants are living and they rely on sun and water. Humans rely on calories.
A igneous rock is most likely found in a volcanic mountain
hope this helps
