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Ecology Terms

TermDefinition
Ecosystem all of the abiotic factors and biotic factors interacting in a specific area
Abiotic Factors all of the non-living factors Examples: rocks, water, temperature
Biotic Factors all of the living or once alive factors Examples: plants, animals, fungus
Producer an organism that collects sunlight and creates its own food through photosynthesis Example: cactus
Consumer an organism that gets energy from eating other organisms Example: mountain lion
Herbivore an organism that eats only plants Example: desert tortoise
Carnivore an organism that eats only other animals Example: rattlesnake
Omnivore an organism that eats both plants and animals Example: black bear
Scavenger an organism that eats already dead animals Example: vultures
Decomposer an organism that gets its energy by breaking down dead plants and animals Example: Bacteria
Food Chain an diagram that shows how energy flows from one producer through a single line of consumers
Primary Consumer first consumer in the food chain
Secondary Consumer second consumer in the food chain
Tertiary Consumer last consumer in the food chain, top predator
Food Web a diagram that shows how energy passes from many organisms, producers and consumers
Energy Pyramid a diagram that shows the amount of energy that passes to each level of the food chain
3 states of matter solid, liquid, and gas
Water Cycle a diagram that shows how water cycles on our planet
Precipitation when water falls from the sky examples: rain, snow, sleet, hail
Evaporation when water changes to gas
Condensation when water vapor becomes liquid *how clouds are made
Transpiration when water evaporates from plant leaves
Carbon Cycle a diagram that shows how carbon cycles on our planet
Respiration when organisms take in oxygen and release carbon dioxide gas
Combustion when industries take in oxygen and release carbon dioxide gas
Photosynthesis when plants take in carbon dioxide and release oxygen gas
Decomposition when decomposers take in oxygen and release carbon dioxide when they break down dead organisms
Biome large areas around the world that have the same temperatures and plants Examples: Desert, Tundra, Rainforest
Community many different populations in one area example: owls, bluebirds, and squirrels living in the same tree
Population a group of organisms of the same species or kind example: group of killer whales
Organism one living thing
Habitat an area that supplies an organism with everything it needs such as shelter, food, water, and a niche
Niche a job or role an organism has in its environment example: bacteria bread down dead material
Predator an animal that hunts organisms
Prey an animal hunted by a predator
Biodiversity the amount of different kinds of organisms in an ecosystem high biodiversity=stable ecosystem
Limiting Factors any factor that limits the growth of a population of organisms
Carrying Capacity the number of organisms an ecosystem can support
Habitat Loss when habitat is destroyed by natural reasons or people
Invasive species organisms that are not native to the ecosystem
Natural Resources resources that are taken from nature, not man-made Examples: minerals, water, sunlight, wind, heat
Created by: surfhwy1