evolution comic strip
Texte du Storyboard
- Individuals in a population vary anatomically, physiologically and behaviorally
- 1.Species exist in populations.
- 2.Variation in individuals is inherited
- where did it go ?
- Variation in a population is from mutation in genes, gene flow and sexual reproduction
- Mates are chosen based on biological factors (i.e. how they look, act, etc.)
- 3. Individuals in populations reproduce
- Resources are limited (i.e. food, shelter from predators, mates etc.)
- fight to death
- 4. Competition
- 5. Survival
- i blend in
- Individuals with traits that allow them to survive and reproduce pass on their genes
- 7. Evolution is the change in traits over time
- 6. Over time environments can shift
- there are too many predators me must live here now
- As habitats change some variations in a population allow some organisms to survive and reproduce, passing on their successful traits (genes), other individuals in the population die
- Over time species change due to environmental changes and the individuals most suited for the environment survive to reproduce
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