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RBMS 7th grade Eco

Ecology

QuestionAnswer
Biotic organisms & materials produced by organisms (living)
Abiotic inorganic (nonliving) factors
Population all the individuals of one species in an area
Community all the individuals of all species in an area
Ecosystem combination of all the biotic & abiotic factors in an area
Biome Very large areas of Earth with similar climates & ecosystems
Climate generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year,
Decomposer break down the remains of organisms, providing nutrients to the soil for plants. Usually bacteria and fungi.
Producer Usually plants. Through PHOTOSYNTHESIS, convert sun’s energy into chemical energy (sugars)
Consumer Usually animals. Get their energy by eating other organisms.
Adaptation a form or structure modified to fit a changed environment
Niche The function or position of an organism or a population within an ecological community.
Equilibrium A condition in which all acting influences are canceled by others, resulting in a stable, balanced, or unchanging system
Photosynthesis The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source.
Organism any 1 living thing.
Ecology study of organisms and their interactions with & within their environment
Primary Succession the development of plant and animal life in an area without topsoil
Secondary Succession the progressive replacement of one community by another until a climax community is established.
Limiting Factors are things that limit the growth of a population of animals
Food Pyramid A graphic representation of the structure of a food chain, depicted as a pyramid having a broad base formed by producers and tapering to a point formed by end consumers.
Autotroph any organism capable of self-nourishment ex) plants
Heterotroph An organism that cannot manufacture its own food and instead obtains its food and energy by taking in plants or animals
Resources A source of energy supply
Predator An organism that hunts its food
Prey An organism that is food
Parasite An organism that benefits at the harm of its host
Host A living animal or plant on which a parasite lives
Compost A mixture that consists of largely of decayed organic matter and is used for fertilizer
Biodiversity Different species of plants and animals in a biome
Microhabitat Area inside an ecosystem that supports different organisms than the ones in the big ecosystem
Catastrophic Event A event that changes the shape of the land and effects the organisms in the area
Carnivore meat eater
Herbivore Plant eater
Omnivore plant and meat eater
Habitat area in which an organism lives
Created by: sheri_gallemore
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