Unit 3 review

A group of ecosystems with similar climates and organisms.

• community
• biome
• habitat
• ecosystem

All the living and nonliving things in an area.

• biome
• species
• ecosystem
• population

If you increase the biodiversity within an ecosystem, you also increase its sustainability.

• True
• False

A substance that is living or was once living.

• Abiotic Factor
• Biotic Factor

Which organisms are at the bottom of an energy pyramid?

• Primary Consumers
• Tertiary Consumers
• Producers
• Decomposers

Which organisms have the greatest population?

• Tertiary Consumer
• Secondary Consumers
• Producers
• Scavengers

How much available energy is passed from each level to the next?

• 20%
• 100%
• 10%
• 40%

Producers perform what energy conversion?

• Radiant to Thermal
• Thermal to Chemical
• Radiant to Chemical
• Chemical to Radiant

What is the name of the process producers use to convert energy?

• Photosynthesis
• Metamorphosis
• Digestion
• Precipitation

The form of energy that is passed through a food web is Chemical Energy.

• True
• False