SOLVED

11.Intrasexual selection leads to: A. the evolution of nesting activities between the two parents B. the evolution of structures in males that are used in combat with other males C. the evolution of bright plumages, for example, by males to attract females D. the evolution of novel parental care possibilities 12.Young birds see objects flying overhead and respond by crouching down into the nest and remaining still. Over time, some objects become familiar and the young birds do not crouch down. This type of learning is referred to as: A. sensitization B. associative learning C. operant conditioning D. habituation 13.A type of selection that favors altruism directed toward relatives is called: A. kin selection B. sexual selection C. group selection D. mate selection 14.If a scientist is conducting an observation on animal behavior, for example, how an animal’s senses provide a physiological basis for that behavior, she would be asking about the: A. ultimate causation B. proximate causation C. stereotyped causation D. ethological causation 15.The appearance of an egg outside of a goose’s nest is called: A. an innate releasing mechanism B. a fixed action pattern C. imprinting D. a sign stimulus  Â