Competition in Ecosystems

Match it! Select the correct answer from the pull down...Good luck!

Living things depend on many different _________ in order to survive.

What member of an ecosystem produces oxygen, and also provides homes for animals?

What is a community of interacting organisms and their environment called?

What is necessary for an organism to survive in an ecosystem?

An invasive species is a plant or animal that is ________ to an ecosystem.

Characteristics such as height, hair color, and eye color are ________ factors.

How can humans reduce our negative effect on ecosystems?

Environments include both _____ and _____ things.