U7-Organisms/Environment23
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| biotic factor | the living (or used to be living) parts of an environment or habitat - animals & plants
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| abiotic factor | the nonliving parts of an environment or habitat - water & rocks
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| biome | a large ecological region where climate and soil determine the plants and animals that live there
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| microhabitat | a very small habitat - a clump of grass, a rain puddle, under a log
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| habitat | the place where an organism lives
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| biodiversity | the variety of life - the number and variety of living organisms in an ecosystem or biome - more variety means greater sustainability
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| ecosystem | a smaller area within a biome, where the living and nonliving things interact with each other
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| sustainability (sustain, sustainable) | the ability of an ecosystem to maintain itself during stressful times - disease, tornadoes, floods, fire, pollution
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| limiting factor | an environmental factor that keeps or limits a population at a certain size - available food
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| population | a group of the same species that live in the same area, and compete for the same resources - deer, squirrels, hawks
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| adaptation | an inherited trait that improves survival and reproduction success - thick fur
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| genetic diversity | the differences in genetic traits among a species - jaw size in large predatory cats
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| predator | an animal that naturally preys on or hunts other animals
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| prey | an animal that is hunted by another animal
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| niche | what the organism does in its habitat -a specific role - its job
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| ecology | the study of how living and nonliving things in an environment interact with each other
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| competition | the struggle between living things for limited resouces
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| interaction | when two or more organism react to each other
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| threatened species | close to being in danger of dying out
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| equilibrium | a state of balance in an ecosystem
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| interdependence | the survival of a species is dependent on other living organisms and the nonliving parts of the environment
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| consumers | an organim that gets energy from eating other organisms
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| producer | an organism that uses sunlight to make its own food for energy
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| diverse | different
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| basic needs | The things an organism needs to survive and thrive in their habitat - Air, water, shelter, and food for animals, AND for plants - air, water, light, space, and nutrients.
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| environment | the surroundings or conditions in which an organism lives
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| climate | the weather conditions in an area over a long period of time
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| species | a group of animals, plants or other living things that all share common characteristics, that can exchange DNA
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| genetic variation | the genetic differences between individuals - like eye or hair color
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| organism | a living thing that has an organized structure
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| BIO | the prefix that means LIVING or LIFE
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| MICRO | the prefix that means extremely small, and not visible with the eye
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| basic needs | the things an organism needs to survive and thrive in their habitat
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| interaction | when two or more organisms react to each other
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| biosphere | the part of the earth in which life exists, including land, air and water
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| community | all of the populations of different species that live in the same area and interact with one another
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Popular Ecology sets