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5
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The international between populations to meet needs.
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7
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Because there is only enough food, water, shelter and space to support a certain number of organisms.
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9
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A group of organisms of the same species in an ecosystem.
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10
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It consists of all the populations that live and interact in an area.
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11
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The gradual change of organisms in an ecosystem.
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12
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Protecting ecosystems and the organisms living in them. People do this by replanting trees, restore habitats, clean up pollution, remove invasive species, and care for orphaned or injured animals.
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13
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Non living things in an environment.
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14
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An organism’s environment is all the living and non living things that surround and affect the organism.
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15
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Happens when all the members of a certain species die.
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17
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The organisms already living in an ecosystem
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1
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The place where an organism lives within an ecosystem.
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2
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Living things in an environment.
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3
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The contamination of air, or soil by substances harmful to organisms.
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4
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All the organisms living in a place together with their environment. An ecosystem can be huge, such as a large forest or desert.
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6
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Begins on bare rock, such as after a volcano erupts.
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8
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An organisms complete function, or role, in its ecosystem. It includes all the ways the organism survives.
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16
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“Different in kind” Diversity is the variety of different species that live in an ecosystem.
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