Ecology Levels of Organization and Trophic Levels

The efficiency of energy transfer from a lower trophic level to the next highest level is roughly

• 1%
• 10%
• 100%
• 1000%

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

What is it called when a group of the same organisms living together in the same place at the same time?

• An organism
• A population
• A community
• A biome

What are groups of different populations living togther in the same place at the same time called?

• An organism
• A population
• A community
• A biosphere

What is it called when you have groups of different populations along with their abiotic factors?

• An organism
• A population
• A community
• An ecosystem

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

• a community.
• a biome.
• a biosphere.
• an Earthsphere.

The temperate decisuous forest, the tropical rain forest, the desert, and the tundra are all examples of...

• the biopshere.
• biomes.
• ecosystems.
• communities.

What is a group of ecosystems that share similar climates and types of organisms called?

• A community
• A biome
• An ecosystem
• A biosphere

All of the student, faculty and staff at Hazelwood West high school are considered what level of organization?

• A population
• A community
• A biome
• An ecosystem

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