The statement which describes the dependent variable would be the measured variable. We usually use the independent variable and manipulate it and change its levels to see how the levels of the measurable (dependent) variable change.
Answer:
Parasitism
Commensalism
Mutualism
Explanation:
These are the answers in order.
The ultimate source of energy (for most ecosystems) is "the sun"<span>. The ultimate fate of energy in ecosystems is for it to be lost as heat. Energy and nutrients are passed from organism to organism through the food chain as one organism eats another. Decomposers remove the last energy from the remains of organisms.
Hope this helps!</span>