Biological Levels of Organizaiton

A group of different populations living and interacting in the same area....

• 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 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

What is a community?

• One individual of a species

• a group of individuals living together in an area

• a group of different populations living and interacting in the same area

• different communities and their physical environment

What is an ecosystem?

• One individual of a species

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

• all the different species in an area

• all biotic and abiotic factors in a community

What is a biome?

• one individual of a species

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

• all the biological communities and their physical environment

• a large geographical area determined by climate; all similar ecosystems

What level of ecological organization does the bird represent?

• Organism

• Population

• Community

• Ecosystem

Which is the thin layer of the earth that supports life and also the largest level of ecological organization?

• A community
• The biosphere
• A population
• The biome

A duck, a dragonfly, a morel mushroom and a bobcat are all examples of...

• organisms.
• populations.
• communties.
• ecosystems.