Exploring Ecosystem Levels and Factors

What is the smallest level of organization in an ecosystem?

• Ecosystem

• Community

• Population

• Organism

Which level of an ecosystem includes all the living organisms in a particular area?

• Ecosystem

• Community

• Population

• Organism

What is the term for a group of the same species living in a specific area?

• Ecosystem

• Community

• Population

• Organism

Which level of an ecosystem includes both living and non-living components?

• Ecosystem

• Community

• Population

• Organism

What is the main difference between a habitat and a niche?

• A habitat is where an organism lives, while a niche is its role in the ecosystem.

• A niche is where an organism lives, while a habitat is its role in the ecosystem.

• A habitat and a niche are the same thing.

• A niche is larger than a habitat.

Which of the following is an example of a biotic factor?

• Temperature

• Water

• Plants

• Rocks

Which of the following is an example of an abiotic factor?

• Animals

• Bacteria

• Sunlight

• Fungi

Which of the following best describes a niche?

• The physical space an organism occupies

• The role an organism plays in its environment

• The group of organisms of the same species

• The non-living components of an environment

Which of the following is NOT a level of an ecosystem?

• Organism

• Population

• Community

• Habitat

Which of the following is a biotic factor in a forest ecosystem?

• Soil

• Rainfall

• Deer

• Wind