Intro to ecology

What is the correct order of the levels of ecological organization from smallest to largest?

• Biosphere, biome, population, community, organisms, ecosystems

• Biosphere, biome, ecosystem, community, population, organisms

• Organisms, ecosystems, community, biosphere, biome, population

• Organisms, population, community, ecosystem, biome, biosphere

A single living thing is a(n) __________.

• Organism

• Population

• Community

• ecosystem

A group of living things of the SAME species in the same area at the same time.

• Organism

• Population

• Community

• Ecosystem

Biotic (living) and abiotic (nonliving) factors in an environment.

• Organism

• Population

• Community

• Ecosystem

What organisms occupy level A?

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

What organisms occupy level B?

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

What organisms occupy level D?

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

For each level of the energy pyramid, how much energy gets transferred to the next level?

• 10%

• 25%

• 50%

• 100%

Which of the following is NOT represented by a food web?

• The directional flow of energy in an ecosystem

• What things eat in an ecosystem

• The order of organisms in an ecosystem from smallest to largest

• Multiple food chains

Which of the following would NOT be considered a producer in the food web?

• Grasses

• Birds

• Grains

• Carrots