Chapter 8.1

Photosynthesis

Vocabulary

• ATP (adenosine triphosphate) – a cell’s way of storing energy• ATP can easily release and store

energy by breaking and re-forming bonds between phosphate groups• Pg. 193

Vocabulary

• Autotrophs – living things that can capture energy from sunlight or chemicals to make its own food –Example - plants

• Heterotrophs – living things that get food by consuming, or eating –Example - humans

Photosynthesis• Process by which autotrophs use the

sun’s energy to produce carbohydrates• Plants, algae, and some bacteria can

use photosynthesis to make their own food• All life on earth depends on

autotrophs to get energy from the sun