Levels of Biological Organization

All ecosystems combined...

• biosphere

• community

• habitat

• population

Consists of all the biotic and abiotic factors of the environment...

• population

• community

• ecosystem

• all of the above

Trees, shrubs, grasses, air temperature, soil pH, water quality, etc. found in a given area are known as a(n)...

• population

• ecologist

• community

• ecosystem

A group of organisms of the same species in any given area...

• population

• community

• individuals

• community

One lion within a pride of lions is known as a(n)...

• population

• organ system

• organism

• community

A collection of living organisms that belong to different populations but all live in the same area and interact with one another is a...

• Population

• Ecosystem

• Community

• Ecosphere

Non-living factor that affects an ecosystem...

• biotic factor

• abiotic factor

• food chain

• biome

What are the biotic factors in this image?

• sunlight, elephants, grasses

• sunlight, water, air

• elephants, plants, trees

• elephants, clouds, grasses

Which of the following is a population?

• hawks, barred owls, and eagles on NC coast

• mountain stream

• all the frogs in a pond

• blue-tailed skinks (lizards) around a barn

Which of the following best describes a community?

• sharks, groupers, anemones and shrimp on a coral reef

• decorator crabs on the seafloor

• loggerhead sea turtles in Atlantic

• prairie grassland in Wyoming