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Ecosystem

QuestionAnswer
Ecosystem The living and nonliving components in an area.
Ecology The study of the interactions between living organisms and the nonliving components in an ecosystem.
Species A class of organisms that have similar characteristics.
Population The number of specific species/type of organisms living in an area.
Community The different populations/species living together in a specific area.
Biotic Factors Living, or once living, organisms in an ecosystem. For example, a tree and a lion.
Abiotic Factors Nonliving components of an ecosystem that are essential for life. For example, water and sunlight.
Producer A plant that can make its own energy/food using sunlight.
Consumer An organism that must eat either a producer or another consumer in order to obtain energy/food.
Decomposer Breaks down down dead organisms (plant and animals).
Food Chain Shows one simple path of how energy can flow through an ecosystem.
Food Web Shows multiple paths/relationships where energy flows through an ecosystem.
Limiting factor A factor that can control the population. For example, if there is not enough water the populations would decrease.
Energy Pyramid Diagram that shows how energy moves through an ecosystem.
Symbiotic Relationship A relationship between two organisms in which both benefit, one benefits while the other is not harmed, or one benefits while the other is harmed. For example, a tick on a dog.
Migrating Move from one region or habitat to another.
Organism An individual animal, plant, or single-celled life form.
Biodiversity The variety of life in the world or in a particular habitat or ecosystem.
Prey An animal that is hunted and killed by another for food.
Preditor An animal that naturally preys on others.
Parasite An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
Host An animal or plant on or in which a parasite or commensal organism lives.
Niche A habitat supplying the necessary factors for existence.
Herbivore An animal that feeds on plants.
Omnivore An animal or person that eats food of both plant and animal origin.
Carnivore An animal that feeds on flesh.
Mutualism Both species benefits
Commensalism One species benefits, one species is not harmed
Parasitism One species benefits, one species is harmed. (Cuckoo)
Created by: tgehres
 

 



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