What is hydroponics?

• The technique of growing plants using a water-based nutrient solution rather than soil

• Water that flows over a cliff

• The technique of growing plants using soil

• The technique of growing plants using fake soil

What happens to the amount of glucose and oxygen during cellular respiration?

• increases

• decreases

• stays the same

What happens to the amount of carbon dioxide and water during cellular respiration?

• decrease

• increase

• stays the same

What happens to the amount of glucose and oxygen during photosynthesis?

• increase

• decrease

• stay the same

What happens to the amount of carbon dioxide and water during photosynthesis?

• decrease

• increase

• They stay the same

True or False? Can an atom move from a human, to a plant, to an animal, then a decomposer?

• True

• False

What is the function of decomposers?

• They are food for other animals

• They break down plant and animal matter that is not eaten

• To help plants grow

• To eliminate harmful bacteria from the environment

What happens to the food that we do not eat such as orange peels, or pieces of meat?

• Plants use them for fuel

• They stay in a landfill forever

• Decomposers break the down for food

• They are burned up by the sun on hot days

What happens to leaves that fall off of the tree?

• They are eventually broken down by decomposers

• They stay there forever

• They are taken to a landfill

• They are burned up by the sun on hot days

What is synthetic food?

• Food that are not produced in the natural soil or natural meat obtained from animals; instead they are produced artificially in laboratory and industrial conditions.

• Foods are produced in the natural soil or natural meat obtained from animals.

• Food that can not be eaten

• Food that are only made for decomposers