8-4 Notes: Adaptations

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8-4 Notes Adaptations
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Review.Voyage of the hms beagle

• Darwin noticed animals have traits that fit their
  environment
• ex. Darwin Finch Beaks
• These are calledADAPTATIONS!

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Adaptations

• A hereditary characteristic that helps an
  organism survive and reproduce in its
  environment.

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Fitness

• Measure of ability to survive and produce more
  offspring relative to other members of a
  population

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Lets Practice!

• Example Bird A has 15 offspring whereas bird B
  has 6 offspring. Which bird has more fitness?

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Lets Practice!

• According to Evolution, who would be more fit?

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Lets Practice!

• According to Evolution, who would be more fit?

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Animal Observation
Animal Animal Animal
Environment Adaptation How it helps the organism survive
1. 1. 1.
2. 2. 2.
3. 3. 3.