Levels of Organization

What is the most complex level of organization?

• Population

• Community

• Ecosystem

• Organism

What are the nonliving parts of an ecosystem called?

• Biotic factors

• Abiotic factors

• Ecosystem services

• Nutrient cycles

What level of organization comes after population?

• Ecosystem

• Community

• Species

• Biome

What is an example of an abiotic factor?

• Water

• Trees

• Animals

• Bacteria

What level of organization includes all the organisms in a specific area?

• Ecosystem

• Population

• Community

• Biome

What are the living parts of an ecosystem called?

• Abiotic factors

• Biotic factors

• Environmental factors

• Geological factors

What is the term for a single living thing?

• Cell

• Organism

• Species

• Population

What describes multiple organisms of the same species?

• Community

• Ecosystem

• Population

• Habitat

What is the relationship between populations and ecosystems?

• Populations are the only component of ecosystems.

• Populations make up communities, which are part of ecosystems.

• Ecosystems are made up solely of populations.

• Populations and ecosystems are unrelated.

What is a group of different populations living together called?

• Ecosystem

• Community

• Habitat

• Biosphere