Unit 2 Test: Ecology Review

Front

What is mutualism?

Back

A type of symbiotic relationship where both organisms benefit from the interaction. Example: Termites and protozoa.

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can support without degrading.

Front

What is a density-independent limiting factor?

Back

A factor that affects population size regardless of the population's density. Example: Severe weather.

Front

What is an autotroph?

Back

An organism that produces its own food, typically through photosynthesis. Example: Oak trees.

Front

What is a heterotroph?

Back

An organism that cannot produce its own food and must consume other organisms for energy. Example: Raccoons.

Front

What is competition in ecology?

Back

A relationship where two or more organisms vie for the same resources, such as food or habitat.

Front

What is parasitism?

Back

A symbiotic relationship where one organism benefits at the expense of another. Example: Ticks on mammals.

Front

What is predation?

Back

A relationship where one organism (the predator) hunts and consumes another organism (the prey). Example: Cheetahs hunting gazelles.

Front

What is a limiting factor?

Back

Any factor that restricts the size of a population. Examples include food, water, and space.

Front

What is emigration?

Back

The act of leaving one area to settle in another, often affecting population size.