Levels of Organization

Multiple Choice

Which of the following best describes the study of ecology?

• The study of the interactions of organisms with one another and with their environment

• The study of the physical structure of organisms

• The study of chemical reactions in living things

• The study of the history of life on Earth

Multiple Choice

Which of the following best describes the smallest unit in the organization of a school?

• Individual students

• Classrooms

• Teachers

• School district

Open Ended

What are the differences between abiotic and biotic factors?

Multiple Select

Select all the correct statements about ecosystems.

• Ecosystems include only biotic factors.

• Ecosystems include both biotic and abiotic factors.

• Ecosystems include all populations in an area.

• Ecosystems include only abiotic factors.

Multiple Choice

Which of the following is NOT a level of ecological organization?

• Organism

• Population

• Community

• Body Part

Multiple Choice

Which type of symbiotic relationship benefits both organisms involved?

• Mutualism

• Commensalism

• Parasitism

• Predation

Multiple Choice

Which of the following best describes a biome?

• A large region with a specific climate and certain types of plants and animals

• A group of organisms living together

• All members of the same species in one place

• An individual animal or plant

Multiple Choice

What are the main types of symbiotic relationships described?

• Mutualism, Commensalism, Parasitism, Predation

• Mutualism, Competition, Parasitism, Predation

• Commensalism, Parasitism, Competition, Predation

• Mutualism, Commensalism, Parasitism, Cooperation

Multiple Select

Select all types of symbiotic relationships where at least one organism benefits.

• Mutualism

• Commensalism

• Parasitism

• Predation

Multiple Choice

Arrange the levels of ecological organization in order from largest to smallest.

• Biosphere, Biome, Ecosystem, Community, Population, Organism

• Organism, Population, Community, Ecosystem, Biome, Biosphere

• Biome, Biosphere, Ecosystem, Community, Population, Organism

• Community, Population, Organism, Ecosystem, Biome, Biosphere

Open Ended

Explain how commensalism differs from mutualism and parasitism.

Multiple Select

Which of the following are components of an ecosystem?

• Organisms

• Physical environment

• Only plants

• Only animals