8.L.3 Ecosystems

Front

What is the relationship between a dog and a tick when a tick attaches to the dog's leg?

Back

Parasitism: A relationship where one organism benefits at the expense of another.

Front

What term describes a species' role in an ecosystem?

Back

Niche: The specific role or function of a species within its ecosystem.

Front

Which of the following is an abiotic element of a desert ecosystem?

Back

Sand: An abiotic factor, meaning it is non-living.

Front

What is the correct flow of energy in a simple food chain?

Back

Grass → Rabbit → Fox: Energy flows from producers to consumers.

Front

What happens to energy as it moves through the levels of an energy pyramid?

Back

Energy decreases as it is lost as heat to the environment.

Front

Define 'ecosystem'.

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

What is a 'habitat'?

Back

A habitat is the natural environment in which a species lives.

Front

What is 'mutualism'?

Back

Mutualism is a symbiotic relationship where both organisms benefit.

Front

What is 'commensalism'?

Back

Commensalism is a relationship where one organism benefits and the other is neither helped nor harmed.

Front

What is a 'producer' in an ecosystem?

Back

A producer is an organism that can make its own food, typically through photosynthesis.