Biology 3484A/B Lecture Notes - Lecture 13: Crypsis, Seta, Dune

• School: Western University
• Department: Biology
• Course: Biology 3484A/B
• Professor: Nina Zitani

Document Summary

Insects = common name for 6-legged arthropods incredibly diverse and abundant: 1. 1 million arthropods and 91 000 described insects, entomophobia: fear of insects, arachnophobia: fear of arachnids. I(cid:374)se(cid:272)ts are either pri(cid:373)ary or se(cid:272)o(cid:374)dary food sour(cid:272)e for (cid:1005)(cid:1004)(cid:1004)(cid:1004)"s of spe(cid:272)ies: reptiles that eat insects: lizards, snakes, turtles, other arthropods, mammals, etc. If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If insects were to vanish, the environment would collapse into chaos e. o. Wilson: nearly all terrestrial birds rear their young on insects, not seeds or berries doug tallamy. 3 body regions (head, thorax, abdomen): 3 pairs of legs and one pair of antennae. Ma(cid:374)di(cid:271)les gra(cid:271) a(cid:374)d hold polle(cid:374); (cid:862)to(cid:374)gue(cid:863) is modified mouthparts for specialized feeding: lapping up nectar of flowers: form follows function, form/morphology of an organism follows its function, form/morphology is indicative of function.