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Ch. 6 Ecosystems

TermDefinition
Ecosystem All the living and nonliving things in an area and their interactions. All ecosystems contain population and communities
Habitat Provides all the things an organism needs to live. Food, water, and shelter
Biotic Means living. Animals, plants, and insects
Abiotic Meaning nonliving. Water, air, sunshine, temperature
Population A group of one species living in an area. People, and insects
Community Is a different population in an area and community members depend on each other to fill needs. Forest: oak trees, maple trees, Insects
Coral reef Underwater ecosystem built by tiny animals. Warm, clear, shallow water
Tropical rainforests Warm, rainy climate all year long
Desert Little rain, hot days,cool nights
Taiga Harsh, long winters, soil that is low in nutrients
Tundra Cold weather, little rain
Coastal wetlands Covered by a shallow layer of sea water some or all of the year
Mixed forest Cold winters many trees and animals
Prairie Found in Midwest and Plains. Little rain but excellent soil
Niche The role that an organism has an ecosystem
Carrying capacity The number of organisms that can live in a habitat
Predator The one that hunts and eats other animals
Prey The one that gets hunted and eaten
Producers Make their own food for energy
Consumers Can't make their own food and get energy from other producers or consumers
Herbivores Eat only plants
Carnivores Eat only other animals
Omnivores Eats plants and animals
Scavengers Eats dead animals
Decomposers Get energy by breaking down waste and dead organisms
Food chain A series of steps showing how energy moves from biotic factor to another
Food web A diagram of many different food chains
Symbiosis A long term relationship between two different organisms
Parasites Live inside or outside another organism taking nutrients from that organism
Created by: michaelar
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