| A | B |
|---|
| organism | a living thing |
| habitat | the place where an organism naturally lives |
| population | a group of organisms of the same kind that live in the same place |
| community | all of the populations that live together in the same place |
| water habitats | pond, marshland, swamp, stream, river, lake, ocean |
| dryland habitats | desert, grassland, rainforest, forest |
| ecosystem | system in which all living things in a community interact with their habitat and each other |
| habitat management | protecting a habitat in order to keep animals and plants from becoming extinct |
| competition | when two or more organisms seek out and use a resource that is in limited supply |
| adaptation | a characteristic or behavior of an animal that helps it survive in its environment |
| camouflage | an animals' ability to blend into their environment to protect themselves from enemies |
| mimicry | when an organism is shaped, colored, and has other features in order to resemble another organism |
| migration | the act of moving from one place to another in order to survive |
| hibernation | a deep winter sleep in which body activities slow down and an animal can live off of stored food |
| instinct | behavior an organism knows from birth |
| learned behavior | something an organism learns to do |
| endangered | very few in number (endangered organisms could become extinct if not closely monitered) |
| extinct | no longer found on earth |
| species | a group of animals or plants that have certain common characteristics |
| species monitoring | the practice of recording the number of a certain species in a particular area over a period of time |
