2 .Niche is not synonymous with habitat, the place where an organism lives.
3 .Animals defend themselves against predators with chemical defenses, warning coloration, and camouflage.
4 .Symbiosis is an interaction in which two or more kinds of organisms interact in cooperative, more-or-less permanent relationship.
5 .This experiment concerns a variety of seed-eating rodents that occur in North American deserts.
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6.The array of organisms that live together in an area is called a community.