Unit 1 Ecology Pre-AP Biology Review

Front

What percentage of energy from producers is passed to herbivores in an energy pyramid?

Back

10%

Front

What type of succession occurs in an area with NO SOIL?

Back

Primary succession

Front

What is the process by which water on the ground surface enters the soil?

Back

Infiltration

Front

What type of symbiosis occurs when hummingbirds feed on nectar from flowers and pollinate them?

Back

Mutualism

Front

What kind of factor is a flood in an ecosystem?

Back

Density-independent

Front

Define ecological succession.

Back

The process of change in the species structure of an ecological community over time.

Front

What is primary succession?

Back

Succession that occurs in lifeless areas where soil has not yet formed.

Front

What is secondary succession?

Back

Succession that occurs in areas where a disturbance has destroyed an existing community but left the soil intact.

Front

What is an example of a density-dependent factor?

Back

Competition for resources.

Front

What is an example of a density-independent factor?

Back

Natural disasters like floods or fires.