Which of the following is a hypothesis for the following observation: Male birds are usually more colorful than females. Males have evolved to be colorful. Males with higher amount of pigments in their feathers will get more nests in their territories. O Colorful males get more females than drab males. To determine whether colorfulness in males affect their attractiveness.

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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.