Unit 3 Review - Ecosystem Disruptions & Natural Selection

Front

What is the term for when an organism has a trait that allows it to blend in with its environment?

Back

Camouflage

Front

What is an example of a biotic factor in an ecosystem?

Back

Grass

Front

What do we call any organism above the producer level in an energy pyramid?

Back

Consumers

Front

What are organisms that use other organisms for food in order to gain energy called?

Back

Consumers

Front

What does a secondary consumer eat?

Back

Primary consumers

Front

What is the role of producers in an ecosystem?

Back

Producers create energy through photosynthesis.

Front

What is a decomposer?

Back

An organism that breaks down dead material and recycles nutrients back into the ecosystem.

Front

What is the difference between a herbivore and a carnivore?

Back

Herbivores eat plants, while carnivores eat other animals.

Front

What is natural selection?

Back

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is an example of a density-dependent factor affecting population size?

Back

Food availability.