Inherited traits-and-learned-behaviors


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Inherited traits-and-learned-behaviors

  1. 1. Inherited Traits and Learned Behaviors
  2. 2. Essential Questions • How are inherited traits different from learned behaviors? Vocabulary to Know: • Inherited trait • Offspring • Learned behavior
  3. 3. How would you describe yourself? • You might say that you have brown eyes, and that you can skateboard. • Let’s look at the list from yesterday… Are these inherited traits? • How many of your traits could also describe someone in your family?
  4. 4. Now let’s say that you have brown eyes and you can skateboard… • Consider this…does anyone else in your family have brown eyes or can skateboard? • Probably only a few of them can skateboard… but one of your parents may have brown eyes. Your eye color came from your parents, however you learned to skateboard.
  5. 5. Humans and other animals are a mix of characteristics from their parents and behaviors they learned on their own • A physical characteristic that is passed from a parent to their baby (offspring) is an inherited trait.
  6. 6. Inherited Traits • Eye color • Skin color • Hair color • Curly or straight hair • Dimples • Freckles • Height
  7. 7. Are your ear lobes attached to the side of your head, or do they hang free? • The shape of your ear lobe is an inherited trait.
  8. 8. Inherited Behaviors • A behavior is a way of acting. Behaviors can be inherited too. • Inherited behaviors are called instincts. (innate behaviors) • Many animals are born with instincts that help them survive.
  9. 9. Inherited Behavior examples… • When the weather turns chilly in the fall, animals prepare for the winter by instinct. (preparing for winter) • Some animals head for warmer climates during the winter. (migrating) Other animals find a safe spot and curl up for a long sleep. (hibernating) • Spiders spinning a web.
  10. 10. • Some behaviors are “learned” but not inherited. Behaviors that are obtained by observing, experiencing, or practicing are called learned behaviors. Learned Behaviors
  11. 11. Learned Behaviors - examples • Are you better at using the computer than the some of the adults in your family? If so, you learned how to do this. You did not inherit this behavior from your parents. • We learn many behaviors that helps us every day. These behaviors include how to make a sandwich, skateboard, and be polite to others.
  12. 12. Can you learn behaviors that do not help you? • Yes! • They can include watching television or eating poorly. Can animals learn behaviors? • Yes! Can your dog sit?
  13. 13. Let’s review… • An inherited trait is a physical characteristic that is passed from parents to their babies (offspring). • A behavior is a way of acting. • Inherited behaviors are called instincts. • Learned behaviors are not inherited but learned from others.
  14. 14. Quiz Time
  15. 15. 1. Which of these is an inherited trait? a. Liking the color red b. Having long fingers c. Wearing your hair in a ponytail d. Liking chocolate ice cream
  16. 16. 2. Which of these is a learned behavior? a. Having long eyelashes b. Having curly hair c. Heading south in the fall d. Liking peanut butter sandwiches
  17. 17. 3. Which of these can you change? a. Your instincts b. Your inherited traits c. Your learned behaviors d. Your inherited behaviors
  18. 18. 4. A woman is an excellent cook. Why are her children likely to become good cooks? a. They will learn to cook by instinct b. They will learn to cook by watching c. They will inherit her cooking skills d. Cooking is an inherited trait
  19. 19. Example Learned Behavior Inherited Behavior Inherited Trait Typing on a keyboard Blood type Migrating birds Tasting P.T.C. Winning at video games