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Which list correctly orders the examples of an organism, population, community, and ecosystem?
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48. Ecology
Introduction to Ecology
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Which term best describes an organism that lives on or inside another organism and receives food and protection from it?
A
Commensal
B
Predator
C
Parasite
D
Mutualist
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Step 1: Begin by understanding the definitions of the terms provided in the question: Commensal, Predator, Parasite, and Mutualist.
Step 2: Define 'Commensal': A commensal organism benefits from another organism without harming or helping it. For example, barnacles on a whale.
Step 3: Define 'Predator': A predator hunts and kills other organisms (prey) for food. For example, a lion hunting a zebra.
Step 4: Define 'Parasite': A parasite lives on or inside another organism (the host), deriving food and protection from it, often harming the host in the process. Examples include tapeworms in the intestines of animals.
Step 5: Define 'Mutualist': A mutualist engages in a relationship where both organisms benefit. For example, bees pollinating flowers while collecting nectar.
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