Populations and Communities 2
Terms
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- all the organisms that live in one place
- POPULATION
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all the organisms in one ecosystem
(area) - COMMUNITY
- a community and its nonliving environment
- ECOSYSTEM
- study of the relationships of living and nonliving things
- ECOLOGY
- the place where a living thing lives
- HABITAT
- the way a species lives
- NICHE
- an area an animal or group of animals defends from others of the same species
- TERRITORY
- the number of organisms born in a given time
- BIRTH RATE
- the number of organisms that die in a given period of time
- DEATH RATE
- natural resources endangered by humans
- POLLUTION
- a species in danger of disappearing from earth
- ENDANGERED
- organisms no longer living
- EXTINCT
- a living thing
- ORGANISM
- a group of living things that depend on each other for food
- FOOD CHAIN
- grass and plants are _____________
- PRODUCERS
- a living thing that can not make its own food
- CONSUMER
- an animal that eats only plants or grass
- HERBIVORES
- animals that eat only other animals
- CARNIVORES
- animals that hunt and kill other animals for food
- PREDATORS
- living things that will eat both plants and animals
- OMNIVORE
- any living thing that will eat dead plants or animals before they decay
- SCAVENGER