evolution

337

This is a Pitcher Plant. The leaves form long, hollow tubes, that bend over at the top to form insect traps. Why do the insects go in, and why does the plant want the insects to go in?

344

This is one of Nancy's flowers which was supposed to be completely red. A genetic mutation has caused parts of the flower to be white instead. How common are genetic mutations?

346

I photographed this spider while we were collecting fossils in Middle Tennessee. What is special about its color?

352

This Tersa Sphinx Moth Caterpillar is munching on Nancy's Pinta plants. Are all caterpillars plant eaters?

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