The Structure and Function in Living Things. Chapter Fifteen: The Diversity of Life. 15.1 Taxonomy and Systematics 15.2 Algae and Fungi. Investigation 15B. Bread Mold. What is mold and how does it grow on bread?. The first prokaryotic cells appeared about 3 billion years ago.
Prokaryotic cells reproduce asexually by splitting in two.
Asexual reproduction does not allow for genetic variation unless a mutation occurs.15.2 Evolution of sexual reproduction
Eukaryotic cells evolved the ability to reproduce sexually.
Organisms that reproduce sexually produce more genetic variation among their offspring.15.2 Evolution of sexual reproduction
Lichens are made of two
organisms—a fungus, and a green algae or cyanobacteria.
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