This informative site distinguishes harmful from nonharmful insects. Pictures supplement the text.

[Free Registration/Login may be required to access all resource tools.] Describes the role of chemistry in agriculture, in both beneficial and harmful ways.

Biological mimicry is a fascinating subject and Batesian mimicry does not disappoint. It occurs as a protective mechanism when one defenseless species mimics characteristics of a species that can harm or even poison a predator. Examples...

This site from the Missouri Botanical Garden explores some commonly asked questions about the prairie and prairie plants.