All living things are ___.
The home of an organism is called its ___.
A ___ is one type of organism living in an area.
The set of steps in which organisms get the food they need to survive is shown by a ___.
A(n) ___ is the living things and nonliving things in an environment and all other interactions.
A ___ breaks down the wastes and remains of other organisms.
A ___ makes its own food.
A ___ eats the food producers make or eats other consumers.
The ___ is the living part of the ecosystem.
The study of how living and nonliving things interact is called ___.
Harmful moisture that falls to Earth after being mixed with wastes is called ___.
A(n) ___ is a long period of time with little or no rain.
The pattern that shows how food chains are related is called a ___.
___ is the adding of substances to the water, land, or air.
___ occurs when there is too many of one kind of organism in an ecosystem.