Chapter 3 Pretest

Any nonliving part of the environment

A group of ecosystems that share similar climates and types of organisms

Consists of all life on Earth and all parts of the Earth in which life exists

Any living part of the environment

A group of different populations that live together in a defined area

The scientific study of the interactions between organisms and between organisms and their surroundings

All of the organisms that live in a place, together with their physical environment

A group of individuals that belong to the same species and live in the same area

an organism that produces its own food

A type of consumer that kills and eats other animals