Ecology Test Review

Front

What is mutualism?

Back

A symbiotic relationship where both species benefit, such as fish cleaning a shark's teeth.

Front

What is commensalism?

Back

A symbiotic relationship where one species benefits and the other is neither helped nor harmed, such as egrets on a cow.

Front

What is parasitism?

Back

A symbiotic relationship where one species benefits at the expense of the other.

Front

What is a limiting factor in an ecosystem?

Back

A resource or condition that limits the growth, abundance, or distribution of an organism or a population.

Front

What are the main biomes in order of least diversity to most diversity?

Back

Tundra, Taiga, Grassland, Tropical Rainforest.

Front

What happens to energy as it moves up trophic levels?

Back

Energy is lost as heat between each trophic level.

Front

Define the term 'trophic level'.

Back

The position an organism occupies in a food chain, which is determined by its feeding relationships.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

A community of living organisms and their interactions with their environment.

Front

What is the role of producers in an ecosystem?

Back

Producers, like plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.