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Ecosystems

7th Grade Science

QuestionAnswer
Consumer An organism that eats a producer or eats another consumer for energy to live.
Decomposer An organism that breaks down dead plants and animals.
Producer An organism, such as a green plant, that can make its own food.
Food Web Many food chains linked together in an ecosystem.
Food Chain A path that shows who eats what. All food chains begin with plants (producers).
Scavenger An organism that eats animals that are already dead.
Omnivore An organism that eats both plants and animals.
Carnivore An organism that hunts and eats meat.
Herbivore An organism that eats only plants.
Symbiotic Relationship a special type of interaction between species, important for ecosystems
Commensalism symbiotic relationship in which one organism benefits and the other one is neither helped nor harmed
Mutualism symbiotic relationship in which both organisms benefit
Parasitism symbiotic relationship in which one organism is helped and the other is harmed
Ecosystem Community of organisms that interacts with the physical environment
Primary Consumer an animal that feeds on plants; a herbivore
Secondary Consumer Organisms (typically animals)that eat the primary consumer
Tertiary Consumer Carnivores at the top end of the food chain that eat other carnivores
Predator Organism that eats another organism
Prey Organism EATEN by another organism
Created by: tjmoritz
 

 



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