BIOL 1902- Midterm Exam Guide - Comprehensive Notes for the exam ( 23 pages long!)
5 Oct 2017
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#1: colour patterns can also be used for concealment (i. e. songbirds have eyelines or eyestripes - disruptive patterns, disruptive patterns break up the shape of the bird and allows them to blend into their. Bicoloration: whirligig beetle - two di erent colours, top is black and bottom is white (bicolouration - camou aged in two directions, one of group of aquatic insects has a dark underside and a white upper surface. Backswimmers swim upside down: countershading or self-shadow concealment - white-tailed deer are also dark above and light below - upper body casts shade on their belly, making them look more one-dimensional instead of three-dimensional. : giant swallowtail caterpillar - has a startle structure (horns come out, resembling a snake"s tongue -osmeterium) : hairs + poison = poison spines which are chemical defences (i. e. bogbean caterpillar, Io moth caterpillar, spiny oak slug, smartweed caterpillar)
