Which is an example of how ecosystem on earth affect each other

An easy way to calculate the amount of energy available at each level is to what?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

What changes the stability of the element