Unit 7, Flashcard 1 (Population Ecology)

Front

What is the term for the interaction between two different organisms living in close physical association?

Back

Symbiosis

Front

What type of symbiotic relationship is characterized by one organism benefiting while the other is neither helped nor harmed?

Back

Commensalism

Front

What type of symbiotic relationship occurs when one organism benefits at the expense of another?

Back

Parasitism

Front

What happens to a population size when resources are not available?

Back

It decreases.

Front

Which term describes a relationship where both organisms benefit?

Back

Mutualism

Front

What is competition in the context of population ecology?

Back

A relationship where two organisms vie for the same resources.

Front

Give an example of mutualism.

Back

Bees pollinating flowers.

Front

Give an example of commensalism.

Back

Barnacles attaching to whales.

Front

Give an example of parasitism.

Back

Mistletoe extracting nutrients from a spruce tree.

Front

What is the primary focus of population ecology?

Back

The study of how populations interact with their environment and each other.