Ecology Review

Front

What is parasitism?

Back

A relationship between two organisms where one organism benefits at the expense of the other, such as tapeworms living in the human intestine.

Front

Define population in ecology.

Back

A group of individuals of the same species that live in the same area.

Front

What is a decomposer?

Back

An organism that helps recycle nutrients within an ecosystem by eating dead or decaying organisms.

Front

What does the term niche refer to in ecology?

Back

The ecological role an organism performs in its specific environment.

Front

What happens to energy as it moves up an ecological pyramid?

Back

The amount of available energy decreases.

Front

What is symbiosis?

Back

A close and long-term interaction between two different species, which can be beneficial, harmful, or neutral.

Front

Define mutualism.

Back

A type of symbiotic relationship where both organisms benefit from the interaction.

Front

What is commensalism?

Back

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

Front

What is an autotroph?

Back

An organism that produces its own food, typically through photosynthesis, such as plants.

Front

What is a predator?

Back

An organism that hunts and eats other organisms for food.