1. The number and
variety of organisms found within a specified geographic region.
2. The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems.
Why is biodiversity important?
Here's the problem with the loss of biodiversity: The Earth functions like an incredibly complex machine, and there don't appear to be any unnecessary parts. Each species -- from the lowliest microbe to humans -- plays a part in keeping the planet running smoothly. In this sense, each part is related. If a lot of those parts suddenly vanish, then the machine that is Earth can't function properly.
2. The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems.
Why is biodiversity important?
Here's the problem with the loss of biodiversity: The Earth functions like an incredibly complex machine, and there don't appear to be any unnecessary parts. Each species -- from the lowliest microbe to humans -- plays a part in keeping the planet running smoothly. In this sense, each part is related. If a lot of those parts suddenly vanish, then the machine that is Earth can't function properly.
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