8-4 Notes: Adaptations

Review….Voyage of the hms beagle Darwin noticed animals have traits that fit their environment ex. Darwin Finch Beaks These are called……ADAPTATIONS!

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

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

Let’s Practice! Example: Bird A has 15 offspring whereas bird B has 6 offspring. Which bird has more fitness?

According to Evolution, who would be more “fit?” Let’s Practice! According to Evolution, who would be more “fit?”

According to Evolution, who would be more “fit?” Let’s Practice! According to Evolution, who would be more “fit?”

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