microorganisms

Hidden Biodiversity Vol. 1 (2015)

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A close examination of the life within a pond or lake reveals adaptive structures and behaviors that promote survival of many species. Yet, their life cycles and body structures tell us much about the natural world and the delicate balance within it.

Grade Level:

High

Length:

00:27

The Evolutionary Arms Race & Why Sex? (2001)

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The Evolutionary Arms Race - 60 minutes

Survival of the fittest: Is it raw competition, a level of cooperation indispensable to life, or both? Explore our own spiraling arms race with microorganisms - the only real threat to our existence - and trace the alarming spread of resistance among pathogens that cause disease.

Why Sex? - 60 minutes

Grade Level:

Middle

High

Length:

01:20