If bees didn't exist, the plants they ................ might not survive.

Bees are one of many species that are in danger of becoming......

Some ....................... are already in danger--we all have a responsibility to protect them.

We need to stop destroying forest areas with......

When a species' .............................. is destroyed, it affects the food chain, which also affects other species. 

The existence of a lot of different plants and animals in an ecosystem is called...

To take a substance found in plants from one plant to another so that more seeds will be produced is...........

Used to describe a plant or animal that is very rare or could die out.................

The act of cutting down or burning all trees in an area.............................

A group of living things that exist and interact in a particular environment is called biodiversity.

A plant or animal that no longer exist is .......

The place where an animal or plant normally lives or grows is called habitat.

Chemicals used to kill animals or insects that damage crops...