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PPT
Curated OER

The Biogeochemical Cycles

For Teachers 9th - Higher Ed
The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...
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PPT
Curated OER

Biotechnology

For Teachers 9th - 12th
The concepts here cover the gamut of biotechnological engineering. Information is given about plasmids and genetic manipulation. After reviewing genetic engineering, this slide show would be useful to recap some of the main procedures.