rewrite them and say them out loud or in your head repeatedly
The answer is true all living things are called organisms
<span>I believe that in this
case the controlled parameter is the type of animal that they are observing.
There are a lot of animals in the ocean, therefore to have a scope of their
study of observation, they are controlling or limiting their observations on
the whale alone. Hence the controlled parameter is the type of animals, whales.</span>
Answer: ENERGY: A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another; the levels in the food chain are producers, primary consumers, higher-level consumers, and finally decomposers. These levels are used to describe ecosystem structure and dynamics.
MATTER: When one organism eats another, the matter, or carbon, nitrogen, and other essential elements, are transferred from one to the other. These elements move from the producers, to the consumers, and eventually to the decomposers, cycling the matter through the ecosystem.
Explanation: look up