INHERITED TRAITS VS LEARNED BEHAVIORS

IMPORTANT VOCABULARY Inherited trait Behavior Instinct Offspring Learned behavior

Planarians Planarians are flatworms. They can regenerate. They have limited behaviors but to respond to light and chemicals. Today we will study their behavior

Anatomy of Planarian Head, tail, eyespot (eyespot sensitive to light so they can tell light from dark)

Inherited trait A physical characteristic that is passed from a parent to their children (offspring).

Behavior Behavior is the way one acts. Instincts: Behaviors that are inherited Instincts help animals survive

Migration

Hibernation

Learned Behavior Learned behavior: the way an organism acts a result of experience NOTE: Sometimes learned behaviors are NOT beneficial! Can you give examples of learned behaviors?

Describe Yourself On the handout Circle the words that describe you Fill in your information Which of these traits are inherited? Which of these traits are learned behaviors?

Review Inherited trait: passed from parent to child Offspring: children Behavior: the way an organism acts Instinct: inherited behavior (something you are born with) Learned behavior: the way an organism acts as a result of experience

Quiz Time Which of the following is an inherited trait? Tying your shoes Your height Riding your bike Your favorite color

Quiz Time Which of the following is learned behavior? Tying your shoes Your height Eye color Hair color

Quiz Time Which of these can be changed? Inherited traits Instincts Learned behaviors