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Ecosystems
7th Grade Science
Question | Answer |
---|---|
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 |