semester exam review

In photosynthesis what is a reactant?

• something that is required for photosynthesis

• something that is produced in photosynthesis

• part of the plant that makes glucose

• the right side of the equation

What is produced from photosynthesis?

• carbon dioxide and water

• radiant energy

• oxygen and glucose

• xylem

In photosynthesis radiant energy is converted into ___________ energy

• mechanical

• chemical

• thermal

• electrical

In a food web what does the arrow represent?

• the arrows point to the apex predator

• the level of importance of each animal

• the organisms that are related

• the direction of the flow of energy

What is an autotroph?

• an organism that has to hunt for its energy

• a carnivore

• an organism that creates its own energy

• secondary consumer

Which of the following is another term for autotroph?

• producer

• omnivore

• carnivore

• consumer

Which of the following is another term for heterotroph?

• consumer

• omnivore

• producer

• plant

Which of the following is an example of an autotroph?

• lion

• earthworm

• grain

• grasshopper

What is the purpose of a decomposer?

• release nutrients by breaking down organisms

• transfer 10% of energy to the next trophic level

• release energy as heat energy

• balance pH

What percent of energy is transferred from one trophic level to the next?

• 5%

• 10%

• 15%

• 100%