Ch 6 7 Introduction Photosynthesis and Cellular Respiration

Ch. 6 + 7 Introduction Photosynthesis and Cellular Respiration

Which is the autotroph?

Autotrophs (Producers)

What are the others called?

Heterotrophs (Consumers)

We depend on plants! ts n a l p s! u d n n A o d n e dep

Heterotrophs provide water and carbon dioxide to autotrophs.

The 6 Forms of Energy 1. 2. 3. 4. 5. 6. Light energy Heat energy Electrical energy Chemical energy Mechanical energy Nuclear energy ATP sugars

Energy Conversions • Energy can not be created or destroyed. • Cellular Respiration (Ch. 7) – converts chemical energy (sugar) to a different form of chemical energy (ATP). • Photosynthesis (Ch. 6) – converts light energy to chemical energy (sugar) [to “useable” energy].

The meaning of the word… Photosynthesis “light” “to make”

• How many molecules of water are in this equation?

• How many molecules of water are in this equation? • How many atoms of Hydrogen are in this equation?

• How many molecules of water are in this equation? • How many atoms of Hydrogen are in this equation? • How many Oxygen atoms are on the left-side of the equation [reactants]? Right-side [products]?

• How many molecules of water are in this equation? • How many atoms of Hydrogen are in this equation? • How many Oxygen atoms are on the right-side of the equation [reactants]? Left-side [products]? Bonus: What type of organic molecule is C 6 H 12 O 6 ?

C 6 H 12 O 6 • Carbohydrates