A predator is an organism that ____ another organism. The ____ is the organism which the predator eats. Some examples of predator and prey are ____ and zebra, bear and ____, and fox and rabbit. The words "predator" and "prey" are almost always used to mean only animals that eat animals, but the same concept also applies to ____: Bear and berry, rabbit and lettuce, grasshopper and leaf.Predators are adapted and often highly specialized for ____ with acute senses such as vision, hearing, or ____. Many predatory animals, both vertebrate and invertebrate, have sharp claws or jaws to grip, kill, and cut up their prey. Other adaptations include stealth and aggressive mimicry that improve hunting efficiency. Predation has a powerful selective effect on prey, and the prey develop antipredator adaptations such as warning ____, alarm calls and other signals, ____ mimicry of well-defended species, and defensive spines and chemicals. Sometimes predator and prey find themselves in an evolutionary arms race, a cycle of ____ and counter-adaptations. Predation has been a major driver of evolution since at least the Cambrian period.

Predator and prey interaction as a driver of evolution

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