Cycles of Matter

Which process removes carbon from the atmosphere?

• 4. cellular respiration

• 5. consumption

• 6. decomposition

• 3. photosynthesis

Carbon, in the form of carbon dioxide, moves from the

geosphere (earth) to the atmosphere during which of the following?

• Cellular respiration

• Volcanic eruptions

• Acid rain formation

• Photosynthesis

matter can never be created nor destroyed.

• True

• False

Which arrow shows how the decomposition of organic material

moves carbon, contributing to the carbon cycle?

• A

• B

• C

• D

In the food chain, what do the arrows indicate about the flow of energy in an ecosystem?

• Energy is continuously recycled by the organisms in an ecosystem.

• Organisms at the end of the food chain receive more energy than those at the beginning

• More of the available energy in an ecosystem is given to large animals than to small animals.

• Energy flows in one direction in an ecosystem from producers to consumers.

What organism is a primary consumer in the food web?

• Hawk

• Grass

• Bird

• Mouse

Which organism is most affected by biomagnification?

• Producers

• Primary consumers like the small fish

• Secondary consumers like the large fish

• Top predators like the eagle

Which organism receives the least amount of energy from the producer?

• Producer

• Primary consumer

• Secondary consumer

• Tertiary consumer

What is a trophic level?

• Each level represented within a food chain or web.

• Different levels of nutrients present within an organism.

• Levels of ecosystems that the world is divided into.

• The levels of sunlight an autotroph needs to survive.

Biogeochemical cycles: how water, carbon, nitrogen and phosphorus pass from ________.

• the physical environment to non-living organisms.

• the physical environment to living organisms.

• the chemical environment to living organisms.

• the chemical environment to non- living organisms.