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13 terms

6th grade science pg39 sec 3 key terms

hw 5/10
STUDY
PLAY
natural selection
a natural process resulting in the evolution of organisms best adapted to the environment
adaptation
the process of adapting to something (such as environmental conditions)
niche
(ecology) the status of an organism within its environment and community (affecting its survival as a species)
competition
the struggle between organisms to survive in a habitat with limited resources
predation
the act of preying by a predator who kills and eats the prey
predator
any animal that lives by preying on other animals
prey
animal hunted or caught for food
symbiosis
the relation between two different species of organisms that are interdependent
mutualism
the relation between two different species of organisms that are interdependent
commensalism
the relation between two different kinds of organisms when one receives benefits from the other without damaging it
parasitism
the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
parasite
an animal or plant that lives in or on a host (another animal or plant)
host
an animal or plant that nourishes and supports a parasite