Ecology Test Review

Front

What is a limiting factor in an ecosystem?

Back

A limiting factor is a resource or condition that limits the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem.

Front

Which of the following is a limiting factor for a squirrel?

Back

Acorns are a limiting factor for squirrels as they rely on them for food.

Front

What is mutualism?

Back

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

Front

Give an example of mutualism.

Back

Fish cleaning a shark's teeth is an example of mutualism, where both species benefit.

Front

What is a carnivore?

Back

A carnivore is an organism that primarily eats meat.

Front

What is parasitism?

Back

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

Front

Give an example of parasitism.

Back

Fleas on a cat is an example of parasitism, where fleas benefit by feeding on the cat's blood.

Front

What is the energy transfer efficiency between trophic levels?

Back

Typically, only about 10% of energy is passed from one trophic level to the next.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, defined by how organisms obtain their energy.

Front

What is commensalism?

Back

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