Biology Exam Review Unit 0,1,2 22

Front

What is a density independent limiting factor?

Back

A density independent limiting factor is a factor that affects the population size regardless of the population's density, such as natural disasters like floods.

Front

What type of succession occurs after a volcanic eruption?

Back

Primary succession occurs after a volcanic eruption, where life begins to develop on newly formed land.

Front

What is a herbivore?

Back

A herbivore is a consumer that eats only producers (plants).

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem, such as temperature, water, and sunlight.

Front

List the ecological levels of organization from smallest to largest.

Back

The ecological levels of organization from smallest to largest are: organism, population, community, ecosystem, biome, biosphere.

Front

What is primary succession?

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, such as after a lava flow.

Front

What is secondary succession?

Back

Secondary succession is the process of ecological change that occurs in an area where a disturbance has destroyed an existing community but left the soil intact.

Front

What is a carnivore?

Back

A carnivore is a consumer that primarily eats other animals.

Front

What is an omnivore?

Back

An omnivore is a consumer that eats both plants and animals.

Front

What is a biome?

Back

A biome is a large geographic biotic unit, a major community of plants and animals with similar life forms and environmental conditions.