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Interaction between living Things. 1. Adapting to the environment Natural selection: process where a characteristic that makes an individual better suited to their environment becomes common. Adaptation: behavior and/or physical characteristic that allows an organism to live successfully
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1. Adapting to the environment • Natural selection: process where a characteristic that makes an individual better suited to their environment becomes common. • Adaptation: behavior and/or physical characteristic that allows an organism to live successfully • Ex. Penguin, cheetah, finches
2. Competition: struggle between organisms to survive and obtain a limited resource. • Ex. Warblers in pine
Interaction in which an organism kills another for food • Predation can greatly effect population size • Too many predators causes a decrease in prey population which then causes a decrease in predators. • Predators/prey populations rise and fall in cycles 3. Predation
Predators have adapted to become better and more efficient • Ex. Hunting at night, speed, eyes in the front of their head • Prey have also adapted to avoid being eaten • Mimicry • False coloring • Warning colors • Camouflage