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Capítulo 26

Comportamiento

¿Que es el Comportamiento?
Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other…
Impronta genómica
Behavioral imprinting is observed in some newborn animals and occurs when they develop strong and specific attachments to another animal (usually a…
Comunicación
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the…
Migración
Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms…
Elección de compañero
Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes.…
Patrones de acción fijos
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus.…
Forrajeo óptimo
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the…
Cuidado parental
Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and…
Altruismo
Altruistic behaviors are “unselfish” behaviors—those that help another individual at the expense of the individual carrying out the…
Fitness inclusivo
Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these…

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