Slide 1 Slide 2 AP Biology 2006-2007 Slide 3 AP Biology 2006-2007 Photosynthesis: Life from Light and Air Slide 4 AP Biology Energy needs of life All life needs a constant…

1.Photosynthesis: Life from Lightand Air 2007-20082. Energy needs of life All life needs a constant input of energy Heterotrophs (Animals) get their energy from “eating…

1.2006-20072. Photosynthesis: Life from Light,Air & Water 3. Energy needs of life All life needs a constant input of energy Heterotrophs (Animals) get their energy from…

Slide 1 Slide 2 Plant Anatomy Slide 3 Basic plant anatomy 1 A. root –root tip-roots grow at the tip –root hairs- increase absorptive surface area Slide 4 Roots Roots…

Ch 20 Ch 20 Respiratory System The respiratory system is where gas exchange occurs. picks up oxygen from inhaled air expels carbon dioxide and water nose sinus mouth epiglottis…