AP environmental science. Ecosystem diversity.
In this video Paul Andersen explains how biodiversity can be measured through genetic, species, or ecosystem variety on the planet. Species diversity is increased through speciation and decrease through extinction. The mechanism for speciation is evolution through natural selection. The planet provi...
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Full text (Emerson users only) |
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| Format: | Electronic Video |
| Language: | English |
| Published: |
Bozeman, MT :
Bozeman Science,
2015.
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| Genre/Form: | Instructional films. |
| Summary: | In this video Paul Andersen explains how biodiversity can be measured through genetic, species, or ecosystem variety on the planet. Species diversity is increased through speciation and decrease through extinction. The mechanism for speciation is evolution through natural selection. The planet provides ecosystem services at no cost to humanity. The supporting, provisioning, regulating and cultural services are all discussed in more detail. |
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| Item Description: | Title from resource description page (viewed August 5, 2020). |
| Physical Description: | 1 online resource (8 minutes) |
| Playing Time: | 00:07:08 |
| Language: | In English. |