5 L 2 1

A large geographical area with similar climates and ecosystems.

• biome

• community

• ecosystem

• biosphere

Living parts of the environment.

• limiting factor

• abiotic factor

• biotic factor

• organism

Any biotic or abiotic factor that causes a population to decrease.

• abiotic factor

• biotic factor

• decomposer

• limiting factor

Non-living parts of the environment.

• limiting factor

• abiotic factor

• biotic factor

• producer

A structure or behavior that helps an organism survive and function better in its environment.

• dormancy

• germination

• tropism

• adaptation

When a seed begins to sprout.

• dormancy

• germination

• tropism

• adaptation

A period of inactivity for a plant or seed so that it does not grow in order to survive unfavorable environmental conditions.

• adaptation

• germination

• tropism

• dormancy

Plant growth in response to a stimulus:

• adaptaion

• tropism

• dormancy

• germination

These are the final links of the energy cycle; they return nutrients to the environment.

• consumer

• producer

• herbivore

• decomposer

Consumers that eat plants and animals are:

• herbivores

• carnivores

• omnivores

• decomposers