Interactions in the Environment and Symbiosis

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species, genetic diversity, and the variety of ecosystems.

Front

Which ecosystem has higher biodiversity: a rain forest or a desert?

Back

A rain forest has higher biodiversity than a desert.

Front

What is a trophic cascade?

Back

A trophic cascade is an ecological process triggered by the removal or addition of a top predator that causes changes throughout the food chain.

Front

What is a trophic level?

Back

A trophic level is the level or position an organism holds in a food chain, food web, or energy pyramid.

Front

What is the relationship called when one organism eats another?

Back

This relationship is called predator/prey.

Front

What is mutualism?

Back

Mutualism is a type of symbiotic relationship where both organisms benefit from the interaction.

Front

What is commensalism?

Back

Commensalism is a type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

Front

What is parasitism?

Back

Parasitism is a type of symbiotic relationship where one organism benefits at the expense of the other.

Front

Give an example of mutualism.

Back

An example of mutualism is bees pollinating flowers while collecting nectar.

Front

Give an example of commensalism.

Back

An example of commensalism is barnacles attaching to a whale; the barnacles benefit while the whale is unaffected.