Which statements are true about bird beak size? Select all that apply. Small Large Bill size Biology: How Life Works, Third Edition 0 2019 Macmillan Learning O Many birds have very large or very small beaks. O A few birds have very small or very large beaks. O Most individuals have medium-size beaks. O All the birds have very similar size beaks. Number of individuals

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Animal Behavior

Animal behavior can be defined as all the things that animals do. In response to a stimulus, an animal performs a certain fixed action pattern, or FAP, of behavior. This response occurs to make the animal more adaptable to change. So, behavior is generally a stimulus-oriented response. A behavior is an expression of the capabilities of the nervous system. A stimulus is determined by the environment, while the nervous system determines a response.