Biology Unit 5 Lesson 15

1. What is the original source of energy in the food you eat?
Plants
Sun***
Sugar
Photosynthesis

2. Why are leaves red in the fall?
Chlorophyll breaks down because there's less sunlight.***
Chlorophyll absorbs red in the fall, rather than green.
Chlorophyll reflects green light in the fall.
Mitochondria breaks down because there's less sunlight.

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