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Chapter 26

生态系统

什么是行为?
什么是行为?
Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other ...
印迹
印迹
Behavioral imprinting is observed in some newborn animals and occurs when they develop strong and specific attachments to another animal (usually a ...
沟通
沟通
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. ...
迁移
迁移
Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the ...
伴侣选择
伴侣选择
Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate ...
修复了动作模式
修复了动作模式
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. The ...
最佳觅食
最佳觅食
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 ...
父母照顾
父母照顾
Many animals exhibit parental care behavior, including feeding, grooming, and protecting young offspring. Parental care is universal in mammals and birds, ...
利他主义
利他主义
Altruistic behaviors are “unselfish” behaviors—those that help another individual at the expense of the individual carrying out the ...
包容性健身
包容性健身
Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these altruistic ...
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