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Unformatted text preview: Head lice • Specific Entomologist o Medical o Livestock o Field Crop and Urban • Very successful o Skeleton Exoskeleton o Size Some are small others are very large o Flight Only arthropods capable of flight Elytra- beetle wing covers o Metamorphosis All insects change forms during their life processes • Larvae (sometimes to) Pupil to Adult o Reproduction Produce tremendous numbers of offspring in a relatively short period of time • High reproductive potential and fast generation time o Good Fossil Record Indicates that they have inhabited the earth for at least 350-400 million years Oldest- cockroaches Newest- body/hair lice Conclusion • Insects are the most diverse and abundant life forms on the planet o Considered to be beneficial to humans o Have evolved survival mechanisms that allow them to occupy most niches in our environment...
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This note was uploaded on 12/07/2011 for the course ENTO 322 taught by Professor Gold during the Spring '08 term at Texas A&M.
- Spring '08