Levels of Organization and Abiotic/Biotic Factors

Which of the following is an example of a biotic factor in an ecosystem?

• sunlight

• stream

• tree

• rock

Wind is considered to be an abiotic factor because it

• is not related to biodiversity

• is a nonliving thing

• is in equilibrium

• is not in any ecosystem

A rain forest has a high level of bio(life) - diversity(different) because it has...

• many abiotic factors

• some endangered species

• few connections between living things

• a wide variety of living things

What is the term for a group of different species in a given area?

• population

• ecosystem

• community

• biome

Which level of organization in ecology of all life on Earth?

• an ecosystem

• population

• community

• biosphere

A raccoon, a dog, a cat, and a tree all INTERACT with eachother. This would be considered a...

• population

• community

• biosphere

• organism

A group of rats would be considered a...

• population

• community

• biosphere

• biome

All of the deserts in the world are considered a...

• biosphere

• biome

• ecosystem

• population

This level of organization is the FIRST to contain BOTH ABIOTIC and BIOTIC factors.

• Biosphere

• Biome

• Ecosystem

• Community

Click the ABIOTIC factor

• Rock

• Tree

• Horse

• Human