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Section 4.2 What Shapes an Ecosystem?

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AB
The living things that help shape an ecosystem are known as _________.biotic factors
The non-living things that help shape an ecosystem are known as _______.abiotic factors
An organism's ______ is where it lives and includes both biotic and abiotic factors.habitat
An organism's ____ is kind of like it's job, and includes the way in which an organism eats, finds shelter, and reproduces as well as the physical conditions required by the organism to survive.niche, Audio
Two different species ______ share the same niche in the same habitat.can't
Any necessity for life, such as water, nutrients, light, food, and space, are referred to as a _____.resource
______ occurs when organisms of the same or different species attempt to use an ecological resource in the same place at the same time.Competition
The type of interaction where one animal captures and eats another animal is known as _____.predation
The type of relationship in which two different species of organisms live closely together is called ____.symbiosis, Audio
Name the three types of symbiotic relationships., Audio mutualism, commensalism, and parasitism
The type of symbiotic relationship in which both species benefit is called ____., Audio mutualism, Audio
The type of symbiotic relationship in which one species benefits while the other species is neither helped nor harmed is called ___., Audio commensalism, Audio
The type of symbiotic relationship in which one species benefits at the expense of the other is called ____., Audio parasitism, Audio
Fleas, ticks, lice and tapeworms are examples of ____.parasites, Audio
The organism that a parasite lives on or in is called the ____.host
The series of predictable changes that occur in an ecosystem as it ages is called ____.ecological succession,
The type of succession that starts from scratch (like on bare rock or ash) is called ____.primary succession,
The first species to populate an area that previously had no signs of life is called the ____.pioneer species,
The type of ecological succession that occurs after a forest fire, or when farmland is abandoned, is called _____secondary succession,
The final community of organisms, after the ecosystem has gone through succession and become stabilized, is called the ____.climax community,

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