ENTM 010 Lecture Notes - Lecture 5: Bioluminescence, Aposematism, Maxilla
2 May 2016
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Entm 010 spring 2016 natural history of insects study guide for midterm. Exam: what are five reasons why we study insects, prehistoric roots, medical importance- malaria, agriculture and economic importance- foliage, piercing damage, pathogen. Transmission: music- flight of a bumblebee, literature- alice in wonderland, what is natural selection? (survival of the fittest) Natural selection: the process whereby organisms better adapted to their environment tend to survive and produce more offspring (charles darwin) Examples: galapagos finches, antibiotic resistance, peppered moths. Phenotype is physical variances between members of the same species. Artificial selection: the process whereby organisms are preferentially bred because of desired traits. Ocelli are simple eyes that are sensitive to light intensity. It see different wavelengths, differences in light, and is sensitive to movement: how many legs do insects (arthropods), spiders (arachnids), and crustaceans (sea critters) have? a. Insects: 3 pairs of legs (6 legs: spiders: 4 pairs of legs (8 legs, crustaceans: 5 pairs of legs (10 legs)
