Ecology Review

Front

Why might an organism have more than one arrow coming FROM them in a food web?

Back

More than one organism may eat them.

Front

What is the term for a relationship where one species benefits and the other is unaffected?

Back

Commensalism

Front

What are biotic factors in an ecosystem?

Back

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

Front

What kind of relationship is it when vines grow on a tree, getting light while the tree is not affected?

Back

Commensalism

Front

What is ecological succession?

Back

The process by which an ecosystem changes over time.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components, while abiotic factors are non-living components of an ecosystem.

Front

Define mutualism in ecology.

Back

A relationship where both species benefit from the interaction.

Front

What is parasitism?

Back

A relationship where one organism benefits at the expense of another.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.