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3
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a population of animals whose members look very similar, live in the same kind of way, and can breed with each other
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6
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the total number of a particular group of animal of one species
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7
|
describes the time people began to record events in history
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8
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an area that has not been touched by humans
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9
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the variety of living things
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10
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working to save habitats and endangered wildlife
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12
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a forest that grows in areas where rain is common all year long
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13
|
someone who is an expert in wildlife
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15
|
ancient remains usually made from hard bones
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