An area where an organism can find everything it needs to survive.

A waste product that harms living things and damages an ecosystem.

The process of cleaning and restoring a damaged ecosystem.

Use the words in the text box to match the meaning to the word: ____ A mixture of rain and acids from air pollution that falls to the Earth.

Use the words in the text box to match the meaning to the word: ____ The gradual change in the kinds of organisms living in an ecosystem.

The death of all the organisms of a species.

Use the words in the text box to match the meaning to the word: ____ A group of organisms of one kind that live in one location.

An animal that is eaten by a predator.

An animal that kills and eats other organisms.

Use the words in the text box to match the meaning to the word: ____ A group of populations that live together.

Use the words in the text box to match the meaning to the word: ____ A kind of contest among populations that need to get a certain amount of food, water and shelter to survive.

A relationship between different kinds of organisms.

Use the words in the text box to match the meaning to the word: ____ A trait or characteristic that helps an organism survive.

Use the words in the text box to match the meaning to the word: ____ A relationship where one organism benefits and the other isn’t affected.