Levels of Ecological Organization

TRUE or FALSE: An ecosystem contains only biotic factors.

• TRUE

• FALSE

• Only plants and animals

• Only abiotic factors

What is the smallest unit of ecological organization?

• A population

• A community

• An organism

• An ecosystem

What is the term for the role of an organism in its ecosystem, including its habitat and interactions?

• Niche

• Habitat

• Biome

• Ecosystem

What level of organization can be observed in a forest, including all living organisms and their physical environment?

• Biome

• Ecosystem

• Population

• Community

What is the study of interactions between organisms and their environment called?

• Ecology

• Biology

• Geology

• Botany

What is the relationship between different species living in the same area called?

• Ecosystem

• Population

• Community

• Habitat

What do we call a group of the same species living in a specific area?

• Community

• Population

• Ecosystem

• Habitat

What is the term for a group of ecosystems that share similar climates and organisms?

• Ecosystem

• Biome

• Habitat

• Community

What is the term for groups of different populations living together in the same place at the same time?

• A community.

• An ecosystem.

• A population.

• A habitat.

What level of ecological organization includes both biotic and abiotic factors?

• Population

• Community

• Ecosystem

• Biome