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- Overproduction
- Competition
- I'm hungry!!
- There can only be one!
- Variation
- Each species produces more offspring than can survive.
- Adaptation
- Overpopulation causes members of the same species, as well as otherspecies, to compete for limited resources like food, water and a place to live.
- Natural selection
- Organisms within a population vary.
- Speciation
- It is WAY to hot, I think I'm in the wrong environment.....
- well this works for survival in the environment, but I'm not sure my changes make since over time...
- An individual may inherit a genetic trait that increases the chance ofsurvival.
- Organisms that inherit favorable traits are more likely to survive andproduce offspring which will inherit the favorable trait.
- Favorable adaptations gradually accumulate, and unfavorable adaptationswill disappear over many generations. After a very long time, a new species can form.
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