Ecology Review 1.1

Front

What is a biotic factor?

Back

A biotic factor is a living component of an ecosystem, such as plants, animals, bacteria, and fungi.

Front

Give an example of a biotic factor.

Back

Bacteria.

Front

What is mutualism?

Back

Mutualism is a symbiotic relationship between two organisms where both benefit from the interaction.

Front

What is the role of a species in its environment called?

Back

Niche.

Front

What happens to the prey population when the predator population increases?

Back

There is often a decrease in the population of its prey.

Front

What is parasitism?

Back

Parasitism is a relationship where one organism benefits at the expense of another.

Front

What is commensalism?

Back

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

Front

Define ecosystem.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem, such as temperature, water, and sunlight.

Front

What is competition in ecology?

Back

Competition is the interaction between organisms or species in which both are harmed as they vie for the same resources.