Ecological Pyramids & Symbiosis

Front

What is the process that producers use to make their own food?

Back

Photosynthesis

Front

What is the term for the organism that is hunted and eaten in a feeding relationship?

Back

Prey

Front

What level of organization includes both living organisms and their physical environment?

Back

Ecosystem

Front

What type of symbiotic relationship benefits both organisms involved?

Back

Mutualism

Front

What type of symbiotic relationship benefits one organism while the other is neither helped nor harmed?

Back

Commensalism

Front

What is the term for the relationship where one organism benefits at the expense of another?

Back

Parasitism

Front

What is the primary source of energy for most ecosystems?

Back

The Sun

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil.