Anchor 8 -Ecology Quiz

What is an ecosystem?

• A) A single individual organism.

• B) A group of interacting species.

• C) The interaction of living and nonliving things in an environment.

• D) A region of Earth occupied by living things.

Which of the following is an example of a biotic factor in an ecosystem?

• A) Rocks

• B) Water

• C) Trees

• D) Air

What defines a biome?

• A) A single ecosystem

• B) A collection of similar ecosystems

• C) A community of people

• D) A type of consumer

Which type of biome is characterized by the presence of trees and cold climates?

• A) Desert

• B) Tundra

• C) Rain forest

• D) Temperate Forest

What is the primary source of energy for all living organisms on Earth?

• A) Water

• B) The Sun

• C) Plants

• D) Organic molecules

What term is used to describe organisms that produce their own food using energy from an external source?

• A) Consumers

• B) Carnivores

• C) Autotrophs

• D) Heterotrophs

What type of organisms are called photoautotrophs?

• Organisms that derive energy from inorganic chemical compounds

• Organisms that consume other organisms

• Organisms that derive energy from sunlight

• Organisms that feed on dead or decaying matter

Which of the following is NOT a type of consumer?

• Herbivores

• Carnivores

• Decomposers

• Photoautotrophs

What do scavengers primarily consume?

• Organic matter

• Plant material

• Animal remains

• Inorganic compounds

According to the Rule of 10, what percentage of energy is transferred to the next trophic level?

• 10%

• 20%

• 50%

• 90%