Unit 3 Study Guide

a colorless, odorless gas found in the air around us

• photosynthesis
• carbon dioxide
• glucose

microscopic openings on plants that are used to take in carbon dioxide

• stomata
• chlorophyll
• glucose

methods to grow plants without soil (select all that apply)

• carbon dioxide
• hydroponics
• glucose
• aquaponics

the process used by plants to turn sunlight into energy

• glucose
• photosynthesis
• chlorophyll

a pigment found in plant cells that captures sunlight and uses it to make energy for the plant

• stomata
• photosynthesis
• chlorophyll
• hydroponics

a sugar that plants produce during photosynthesis; the plant’s food

• glucose
• Oxygen
• sour patch kids

Which of the following are needed for photosynthesis to occur? Select all that apply.

• Water
• Sunlight
• Carbon dioxide
• Oxygen
• Soil

True or false: The oxygen produced during photosynthesis is used by humans and animals.

• True
• False

organisms that break down dead plants and animals into smaller pieces and recycle the nutrients back into the ecosystem

• producers
• decomposers
• ecosystem

a community of living and nonliving things that interact with each other in a particular environment

• producers
• decomposers
• ecosystem