Evolution & Community Ecology

Front

What is the energy transfer efficiency at each trophic level in the pyramid of energy?

Back

The energy at each trophic level decreases by a factor of 10.

Front

What is the relationship called when one organism benefits at the expense of another?

Back

Parasitism.

Front

What do we call an animal that is hunted and eaten by other animals?

Back

Prey.

Front

What type of ecological succession occurs on land that has never supported life?

Back

Primary succession.

Front

What term describes the change over time in living organisms?

Back

Evolution.

Front

What is the role of producers in an ecosystem?

Back

Producers are organisms that create their own food through photosynthesis or chemosynthesis.

Front

What is a predator?

Back

A predator is an animal that hunts and eats other animals.

Front

Define mutualism in ecological terms.

Back

Mutualism is a symbiotic relationship where both organisms benefit.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs in lifeless areas, while secondary succession occurs in areas where a disturbance has destroyed an existing community.

Front

What is a decomposer?

Back

Decomposers are organisms that break down dead or decaying organisms, returning nutrients to the soil.