Levels of Organization

Which of the following is the simplest level of organization in biology?

• Ecosystem

• Organism

• Biome

• Biosphere

As levels of organization increase, what also increases?

• The number of organisms only

• The complexity and interactions between organisms

• The size of each organism

• The lifespan of each organism

Which level of organization includes multiple populations interacting in a specific area?

• Organism

• Biological community

• Biome

• Biosphere

What is the largest level of organization?

• Ecosystem

• Population

• Biosphere

• Biome

What is the lowest level of organization in biology?

• Population

• Community

• Ecosystem

• Individual organism

What do organisms of a single species that share the same geographic location at the same time make up?

• Community

• Population

• Ecosystem

• Biome

What is a biological community?

• A group of different species in different locations

• A group of interacting populations in the same geographic area

• A single species in a geographic area

• An ecosystem with non-living components

What is an ecosystem?

• A large group of ecosystems with similar climates

• A biological community and all of the abiotic factors that affect it

• A single species living in an area

• A group of abiotic factors

What defines a biome?

• A single ecosystem

• A large group of ecosystems that share the same climate and have similar types of communities

• A group of abiotic factors

• A single species living in an area

What is the biosphere?

• A thick layer around Earth that supports life only above the Earth's surface

• A thin layer around Earth that supports life both above the Earth's surface and below the ocean's surface

• A layer around Earth that supports life only below the ocean's surface

• A thick layer around Earth that supports life only in the atmosphere