Which factor is abiotic?

• water
• plant
• animal

Which factor is biotic?

• soil
• a pine cone
• temperature

________________ is the study of how organisms interact with each other and with their environment.

• biotic factor
• ecology
• terrestrial

A(n) ________________________ is made up of all living and nonliving things in one place.

• ecosystem
• biome
• succession

___________________ is the gradual change from one community to another community in an area.

• ecosystem
• biome
• succession

All biomes are part of the __________________, which is the part of the Earth that supports life.

• biosphere
• terrestrial
• biome

___________________ biomes include forests, deserts, tundra, and grasslands.

• biosphere
• terrestrial
• biome

A(n) _________________ is all the population that live together in an ecosystem at the same time.

• biome
• terrestrial
• community

__________________________ are the nonliving parts of an ecosystem.

• abiotic factors
• biotic factors
• animals

A(n) ____________________________ is a geographic area that contains ecosystems with similar biotic and abiotic features

• abiotic factors
• biome
• biotic factors