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5.4 Evolution

5.4 Evolution. Define Evolution. Evolution is the process of cumulative change in the heritable characteristics of a population. Charles Darwin at age 22 traveled on HMS Beagle in 1831. Evidence for Evolution. Fossil Record

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Regeneration of the Worm

Regeneration of the Worm. By: Will Bampfield and Tom Antenuci. Genus Species. Lumbricus terrestris. L. terrestris. How Regeneration of the Worm Works. The regeneration of worms is made possible because of a process called mitosis.

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Meiosis and Sexual Reproduction Ch. 11.1-11.3

Meiosis and Sexual Reproduction Ch. 11.1-11.3. Why Meiosis?. Advantages : Dramatic increase in genetic variation Keeps genetic material from multiplying ( ploidy ) R eplication done with somatic cells ( body cells ) would double the amount of DNA each time Disadvantages :

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281 views • 11 slides

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Parental chromosomes - PowerPoint PPT Presentation

5.4 Evolution

Regeneration of the Worm

Meiosis and Sexual Reproduction Ch. 11.1-11.3