Using the senses to study the world

All individuals of one species living in a certain area

Any individual living thing

Includes all of the organisms as well as the climate, soil, water, rocks, and other nonliving things in an area

A major regional or global community of organisms which is usually defined by the climate and the plant communities that live in an area.

A group of different species that all live together in one area

Living factors in an ecosystem, such as plants, animals, bacteria and fungi

Rocks, weather, wind and sunlight are

The variety of living things in an ecosystem

A species that has an unusually large effect on its ecosystems

Organisms that make their own food

Autotrophs that use chemical energy rather than sunlight to produce glucose

Producers can also be called

Organisms that ead dead plant and animal matter, such as earthworms

Each link in a food chain as a level of feeding

Food webs show

An organism that eats many different things

An organism that only eats producers