Unit 3 Review

Front

What is a trophic level pyramid?

Back

A model that shows the different levels of energy transfer in an ecosystem, illustrating how energy moves from producers to various levels of consumers.

Front

What is mutualism?

Back

An interaction between two species where both benefit from the relationship.

Front

What is commensalism?

Back

An interaction where one species benefits while the other is neither helped nor harmed.

Front

What is parasitism?

Back

An interaction where one species (the parasite) lives on or inside another species (the host), benefiting at the host's expense.

Front

What is competition in ecology?

Back

An interaction where two species compete for the same resources, which can be food, space, or mates.

Front

What is predation?

Back

An interaction where one species (the predator) hunts and eats another species (the prey).

Front

Define producers in an ecosystem.

Back

Organisms, typically plants, that produce their own food through photosynthesis and form the base of the food chain.

Front

What are consumers?

Back

Organisms that cannot produce their own food and rely on consuming other organisms for energy.

Front

What is a food chain?

Back

A linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

Front

What is a food web?

Back

A complex network of interconnected food chains that illustrates how different organisms are related through feeding relationships.