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drs-ecol-56

basic ecology terms

TermDefinitionExamples
Biology Bio- means life ology-study of living things
Ecology Study of living things and their interactions with each other and the other environments
Organism A living thing Bald eagle Bears Tigers Starfish
Habitat An enviroment that provides the things a specfic organsim needs to live, grow, and reproduce. Jungle Artic Desert Ocean Desert
Biotic Factors The parts of a habitat that are living or once living, and interact with an organism Plants Humans
Abiotic Factors Are the nonliving parts of an organism habitat. Oxygen Carbon H2O Rocks
Species is a group of organisms that can mate with each other and produce offspring that can also mate and reproduce. Tigers mate and have a litter, than full grown they mate and reproduce as well.
Population All the members of one species living in a particular area. The plains have a large population of prairie dogs.
Community All the different populations that live together in an area. Africa has a community of lions, gazelles, monkeys, zebras, elephants.
Ecosystem The community of organisms that live in a particular area, along with their non-living environment. The plains team with buffalo and rattlesnakes,but with dirt and rocks.
Ecology The study of how organisms interact with each other and with their own environment. Ecologist will study life on earth, and it`s animals.
Birth Rate The # of births per 1,000 individuals for a given period An American Alligator lays 50 eggs, all in which hatch.
Death Rate The # of deaths per 1,000 individuals for a given period An American Alligator lays 50 eggs and only 1/2 of them survive.
Food Chain A series of events in an ecosystem in which organisms transfer energy Grass-Grasshopper-Rat-Snake-Hawk
Producer An organism that can make its own food Grass Algae
Primary Comsumer An animal that feeds on plants. Butterfly Grasshopper
Secondary Consumer A carnivore that feeds only upon herbivores Rat Fox
Tertiary Consumer A carnivore at the topmost level in the food chain, an animal that eats the secondary consumer. Fish Snake
Quaternary Consumer The predator that eats the Tertiary Consumers Hawk Bear
Autotrophs Organisms that do not need another source of energy. Grass Algae
Heterotrophs An organism that needs another source of energy to survive. Raccoon Snake
Herbivores A consumer that obtains energy by eating only plants Grasshopper Dragonfly
Carnivores A consumer that obtains energy by eating only animals Fox Lion
Omnivores A consumer that obtains energy by eating both plants and animals Bears Humans
Created by: rchanderdat962
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