"Selective Pressure"
Bellwork:
1) An ______________ is a body part that helps an organism survive.
2) We get our _____________ from our parents.
3) The combination of alleles is an organism’s __________________.
- Watch Ms. Davis's mini-video, "Darwin's Enchanted Isles" and discuss the people and places seen in it
- Define: Natural selection is a process where the individuals who are best adapted to their environment tend to survive and pass on their genes to the next generation.
- Define: Selective pressure is something in the environment that puts pressure on organisms and makes some survive better than others depending on their variations (examples: predators, floods, lack of food, fire, etc.)
- Look at different simulations of natural selection: walkingsticks, larkeys
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