Exploring Life: Organisms and Ecosystems

What is the smallest unit of biological organization that can be considered alive?

• Ecosystem

• Organism

• Population

• Community

Which of the following is an example of abiotic factors?

• The water, rocks, and temperature

• All the fish in the ocean

• All the different trees in the forest

• All the oak trees in a forest

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

• Community

• Ecosystem

• Population

• Biome

Which of the following best describes a community?

• All the living and non-living things in a desert

• All the plants in a rainforest

• All the different species of animals and plants in a forest

• A single species of fish in a lake

What is an ecosystem?

• A group of similar ecosystems

• A community of organisms and their physical environment interacting together

• A single organism

• A large area with a specific climate

Which of the following is an example of a biome?

• A coral reef

• A tropical rainforest

• A school of fish

• A single tree

Which of the following is NOT a characteristic of a population?

• Members of the same species

• Living in the same area

• Interacting with other species

• Having a specific climate

What is the primary difference between a community and an ecosystem?

• A community includes only plants, while an ecosystem includes only animals

• A community includes only living things, while an ecosystem includes both living and non-living things

• A community is larger than an ecosystem

• A community includes non-living things, while an ecosystem includes only living things

Which of the following is an example of an organism?

• A herd of elephants

• A single elephant

• A forest

• A pond

What is the term for a large area characterized by its climate, plants, and animals?

• Population

• Community

• Biome

• Ecosystem