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Chapter 18Interactions of Living Things
The study of the interactions between organisms and their environmentThe study of the interactions between organisms and their environment
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Ecology
The study of the interactions between organisms and their environment
The study of the interactions between organisms and their environment
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Living factors in the environmentLiving factors in the environment
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Biotic
Living factors in the environmentLiving factors in the environment
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Nonliving factors in the environmentNonliving factors in the environment
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Abiotic
Nonliving factors in the environmentNonliving factors in the environment
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A group of individuals of the same species that live together in the same area at the same time
A group of individuals of the same species that live together in the same area at the same time
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Population
A group of individuals of the same species that live together in the same area at the
same time
A group of individuals of the same species that live together in the same area at the
same time
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All of the populations of different species that live and interact in an area
All of the populations of different species that live and interact in an area
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Community
All of the populations of different species that live and interact in an area
All of the populations of different species that live and interact in an area
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A community of organisms and their nonliving environmentA community of organisms and their nonliving environment
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Ecosystem
A community of organisms and their nonliving environment
A community of organisms and their nonliving environment
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The part of the Earth where life existsThe part of the Earth where life exists
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Biosphere
The part of the Earth where life existsThe part of the Earth where life exists
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A consumer that eats plantsA consumer that eats plants
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Herbivore
A consumer that eats plantsA consumer that eats plants
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A consumer that eats animalsA consumer that eats animals
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Carnivore
A consumer that eats animalsA consumer that eats animals
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A consumer that eats a variety of organismsA consumer that eats a variety of organisms
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Omnivore
A consumer that eats a variety of organisms
A consumer that eats a variety of organisms
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An animal that feeds on the bodies of dead animalsAn animal that feeds on the bodies of dead animals
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Scavenger
An animal that feeds on the bodies of dead animals
An animal that feeds on the bodies of dead animals
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A diagram that represents how energy in food molecules flows from one organism to the next
A diagram that represents how energy in food molecules flows from one organism to the next
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Food Chain
A diagram that represents how energy in food molecules flows from one organism
to the next
A diagram that represents how energy in food molecules flows from one organism
to the next
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A complex diagram representing the many pathways in a real ecosystem A complex diagram representing the many pathways in a real ecosystem
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Food web
A complex diagram representing the many pathways in a real ecosystem
A complex diagram representing the many pathways in a real ecosystem
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A diagram shaped like a triangle showing the loss of energy at each level of the food chain
A diagram shaped like a triangle showing the loss of energy at each level of the food chain
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Energy pyramid
A diagram shaped like a triangle showing the loss of energy at each level of the
food chain
A diagram shaped like a triangle showing the loss of energy at each level of the
food chain
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The environment where an organism livesThe environment where an organism lives
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Habitat
The environment where an organism livesThe environment where an organism lives
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An organism’s way a life and its relationship with its abiotic and biotic environment
An organism’s way a life and its relationship with its abiotic and biotic environment
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Niche
An organism’s way a life and its relationship with its abiotic and biotic
environment
An organism’s way a life and its relationship with its abiotic and biotic
environment
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The largest population that a given environment can support over a long period of time
The largest population that a given environment can support over a long period of time
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Carrying capacity
The largest population that a given environment can support over a long
period of time
The largest population that a given environment can support over a long
period of time
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An organism that is eaten by another organismAn organism that is eaten by another organism
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Prey
An organism that is eaten by another organism
An organism that is eaten by another organism
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An organism that eats other organismsAn organism that eats other organisms
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Predator
An organism that eats other organismsAn organism that eats other organisms
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A close, long-term association between two or more speciesA close, long-term association between two or more species
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Symbiosis
A close, long-term association between two or more species
A close, long-term association between two or more species
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A symbiotic relationship in which both organisms benefitA symbiotic relationship in which both organisms benefit
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Mutualism
A symbiotic relationship in which both organisms benefit
A symbiotic relationship in which both organisms benefit
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A symbiotic relationship in which one organism benefits and the other is unaffected
A symbiotic relationship in which one organism benefits and the other is unaffected
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Commensalism
A symbiotic relationship in which one organism benefits and the other is
unaffected
A symbiotic relationship in which one organism benefits and the other is
unaffected
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A symbiotic association in which one organism benefits while the other is harmed
A symbiotic association in which one organism benefits while the other is harmed
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Parasitism
A symbiotic association in which one organism benefits while the other is
harmed
A symbiotic association in which one organism benefits while the other is
harmed
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Long-term changes that take places in two species because of their close interactions with one another
Long-term changes that take places in two species because of their close interactions with one another
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Coevolution
Long-term changes that take places in two species because of their close interactions with one another
Long-term changes that take places in two species because of their close interactions with one another
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