Eco and Organism cont...

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Ponds and rivers are two types of

Which biome is extremely cold and dry?

A close relationship between two species that benefits at least one of them is called

When a hawk catches a mouse, the mouse is the

Which of the following is an example of a population?

A student watches a frog eat a fly. What has the student observed?

A tick living on a bear is an example of

The place where an organism lives and that provides the things the organism needs is called its