Levels of Ecological Organization

When all the ecosystems on Earth are combined it is called...

• a community.

• a biome.

• a biosphere.

• an Earthsphere.

What are the ecological levels of organization from smallest to the largest?

• organism, population, community, ecosystem, biome, biosphere

• organism, community, population, ecosystem, biome, biosphere

• organism, population, community, biome, ecosystem, ecosphere.

• organism, community, population, biome, ecosystem, ecosphere

What level of ecological organization do the animals represent?

• Species

• Population

• Community

• Ecosystem

What level of ecological organization do the organisms represent?

• Species

• Population

• Community

• Ecosystem

What level of ecological organization does the bird represent?

• Organism

• Population

• Community

• Ecosystem

What level of ecological organization does this entire picture represent?

• Organism

• Population

• Community

• Ecosystem

Two organisms that are so similar are from the same ...

• biotic factor
• herbivore
• ecosystem
• species

What is a population?

• One individual member of a species

• a group of individuals that belong to the same species and live in the same area

• all the different populations of species that live together in an area

• a community of species and the physical environment

Water temperature would be an example of ...

• a biotic factor.
• an abiotic factor.

Abby is walking to school with her best friend Jaylyn. They begin talking about everything they see including the ash trees, grass, weeds, ants, and people. They also notice how cold it is, how there are several large puffy clouds out, and how the sun is just starting to come up.  What level of organization are they discussing?

• community
• ecosystem
• biome
• biosphere