Chapter 25 Slides Sections 1-3
Chapter 25 Slides Sections 1-3
Chapter 25 Slides Sections 1-3
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2 nd Endosymbiosis<br />
• Evolution of eukaryotes<br />
origin of chloroplasts<br />
engulfed photosynthetic bacteria,<br />
but did not digest them<br />
mutually beneficial relationship<br />
• natural selection!<br />
photosynthetic<br />
bacterium<br />
Eukaryotic<br />
cell with<br />
mitochondrion<br />
chloroplast<br />
Endosymbiosis<br />
mitochondrion<br />
AP Biology<br />
Eukaryotic cell with<br />
chloroplast & mitochondrion