Ecological Organization Review

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

• Biology

• Zoology

• Ecology

• Geology

Which of the following is the correct sequence of levels of ecological organization from the simplest to the most complex?

• Biomes, Ecosystems, Communities, Populations, Organisms, Biosphere

• Organisms, Populations, Communities, Ecosystems, Biomes, Biosphere

• Populations, Organisms, Communities, Biomes, Ecosystems

• Ecosystems, Communities, Populations, Organisms, Biosphere

Which level of ecological organization is considered the largest and most complex?

• Organism

• Population

• Ecosystem

• Biosphere

What defines a species?

• A single organism that can reproduce

• Groups of non-related organisms that cannot mate

• Groups of closely related organisms that mate & produce fertile offspring

• Any group of animals

What is a community in ecological terms?

• A single species living in the same area

• A group of different species living and interacting in the same area

• The physical environment only

• A group of the same species living in different areas

Does a community include the physical environment?

• Yes, it includes the physical environment

• No, it does not include the physical environment

• Yes, but only the living physical environment

• No, it includes only the non-living physical environment

Is every population part of an interacting community?

• Yes, every population is part of an interacting community

• No, populations exist independently of communities

• Yes, but only if the population is large enough

• No, only certain populations are part of communities

What is an ecosystem?

• A single organism living in its natural habitat.

• A community of organisms along with their physical environment (soil, air, water, etc.)

• A collection of different species of animals living together.

• A geographical area with no human interference.

What is a biome?

• A single ecosystem with a specific climate

• A large group of related ecosystems sharing the same climate and community of organisms

• A community of organisms interacting with each other without any climate influence

• A nonliving factor that affects living organisms

Do biomes include nonliving factors?

• No, biomes only include living organisms

• Yes, but only in aquatic biomes

• Yes, biomes include both living and nonliving factors

• No, biomes are exclusively made up of nonliving factors