1.
all the different populations that live together in a certain area
2.
an environment that provides the things a specific organism needs to live, grow, and reproduce
3.
the process by which water molecules at the surface of a liquid absorb enough energy to change to a gas
4.
a nonliving part of an organism’s habitat
5.
all the members of one species living in the same area
6.
the pattern of overlapping feeding relationships or food chains among the various organisms in an ecosystem
7.
the community of organisms that live in a particular area along with their nonliving environment
8.
an organism that obtains energy by feeding on other organisms
9.
an organism that gets energy by breaking down biotic wastes & dead organisms & returns raw materials to the soil & water
10.
any form of water that falls from clouds & reaches Earth’s surface as rain, snow, sleet, or hail
11.
a series of events in an ecosystem in which organisms transfer energy by eating and by being eaten
12.
a diagram that shows the amount of energy that moves from one feeding level to another in a food web
13.
an environmental factor that causes a population to decrease in size
14.
an organism that can make its own food
15.
the change in state from a gas to a liquid
17.
a living or once living part of an organism’s habitat
