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Science Vocabulary

Terms for the test Friday

Abiotic of or characterized by the absence of life or living organisms
Biotic pertaining to life.
Habitat The particular role of an organism in its environment including type of food it eats, how it obtains its food and how it interacts with other organisms is called its niche
Biome a complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of the region, especially such a community that has developed to climax.
Niche an ornamental recess in a wall or the like, usually semicircular in plan and arched, as for a statue or other decorative object.
Immigration the act of immigrating.
Emigration an act or instance of emigrating
Limiting factors an environmental factor that tends to limit population size.
Community All the different populations in a specific area or region at a certain time. For example, all of the crabs, seagulls, and sea grass at the beach are part of the same community.
Population All of the individuals of a given species in a specific area or region at a certain time. Members of a population compete for food, water, space, and mates; for example, all of the loblolly pines in South Carolina.
Ecosystem One or more communities in an area and the abiotic factors, including water, sunlight, oxygen, temperature, and soil.
Producer a person who creates economic value, or produces goods and services.
Consumer an organism, usually an animal, that feeds on plants or other animals.
Herbivore an animal that feeds on grass and other plants
Carnivore a flesh-eating mammal of the order Carnivora, comprising the dogs, cats, bears, seals, and weasels.
Omnivore meaning that it eats both plant and animal foods.
Scavenger an animal or other organism that feeds on dead organic matter
Carrying Capacity the maximum, equilibrium number of organisms of a particular species that can be supported indefinitely in a given environment
Predator any organism that exists by preying upon other organisms.
Prey an animal hunted or seized for food, especially by a carnivorous animal.
Renewable Resource resources are replaced through natural processes at a rate that is equal to or greater than the rate at which they are being used. Air, freshwater, soil, living things, and sunlight are renewable resources
Nonrenewable Resource resources are exhaustible because they are being extracted and used at a much faster rate than the rate at which they were formed.
Soil the portion of the earth's surface consisting of disintegrated rock and humus.
Groundwater •Water that soaks into the ground. Soil and rock that allow the water to pass through is called permeable.
Permeable The water enters into the zone of aeration, which is unsaturated.
Impermeable not permitting the passage of a fluid through the pores, interstices, etc.
Aquifer any geological formation containing or conducting ground water, especially one that supplies the water for wells, springs,
Zone of saturation the ground below the water table
Divide to separate into parts, groups, sections
Drainage basin the area drained by a river and all its tributaries. Also called catchment area, drainage area.
Watershed the ridge or crest line dividing two drainage areas; water parting; divide. 2. the region or area drained by a river, stream, etc.; drainage area.
Created by: au'bree