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8 Cards in this Set
- Front
- Back
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How many species have been described?
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1.75 million (1/4 of all species)
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How many species remain to be described?
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3/4 of all species
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What animals account for the greatest amount of species diversity?
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insects
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How do we estimate biodiverstiy?
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variety and variability of life on earth, measured by species
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What are ecosystem services?
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atmosphere and climate, freshwater, nutrient cycling, pollination, pest population, disease
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What is an ecological footprint?
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Amount of land, water, and food to support a person
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how many additional planet earths would be required if all humans had the ecological footprint of an American?
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4
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Why is biodiversity important? Why study it?
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Values of species. Human life is sustained
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