Ecology Quiz

What levels of organization do ecologists study to understand the environment?

• Only individual organisms

• Only ecosystems and biomes

• Individual organisms, populations, communities, ecosystems, and the biosphere

• Only the biosphere and ecosystems

Which of the following is an example of a population?

• A group of different species that live together in an area.

• All the living things, such as water, soil, and sunlight.

• A group of alligators living in the same specific area.

• The climate conditions and plant communities that characterize a biome.

What does the term "community" refer to in ecology?

• A single organism living in an environment.

• A group of populations that live together in a specific area.

• The nonliving components of an ecosystem.

• The global ecosystem including all living things.

What is a biome?

• A large region or global community of organisms characterized by the climate conditions and plant communities.

• A group of similar ecosystems within a particular area.

• A single species living in a specific area.

• The nonliving components such as water, soil, and sunlight in an ecosystem.

Which of the following best describes an ecosystem?

• A single living organism.

• A community of organisms and their physical environment.

• A group of similar species living together.

• The climate conditions of a particular area.

Label the biological levels of organization.

a

b

c

ecosystem

population

organism

community

Label the levels of organization:

b

a

c

d

e

Community

Ecosystem

Population

Biosphere

Species

a

b

c

d

e

Biosphere

Community

Ecosystem

Population

Organism

Put the levels of organization in order from smallest to largest:

• Population, organism, ecosystem, biosphere, community

• Ecosystem, population, organism, community, biosphere

• Organism, population, ecosystem, biosphere, community

• Organism, population, community, ecosystem, biosphere

Match the following levels of classification to the pictures:

• Organism

• 
• Ecosystem

• 
• Community

• 
• Population

•