Ecology Unit Chapters 55-59 Notes PART 7

Biology

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8 Ansh Guglani characteristics that overlap; Darwin’s Finches, plays a role in adaptive radiation 2. Predation – the consuming of one organism by another, including plants by animals, animals by plants or fungi, and animals by animals a. Foraging Strategies – techniques used by animals to capture prey b. Prey Evolve methods to escape predation; coevolution race; includes: synchronized birthing (protecting young) + cryptic coloring = Camouflage; Ex) Anoles; antibiotic resistant bacteria (MRSA: Methicillin- resistant Staphylococcus Aureus ) Chemical defenses = secondary chemical compounds; Ex) Metabolites Aposematic coloring = warning color;
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Unformatted text preview: Ex) Poison-dart frogs produce toxin (mucus covers bright colored skin Mimicry allows one species to capitalize on defensive strategies of another Batesian mimicry (Henry Bates) palatable species resembles toxin species; Ex) Monarch Butterfly/ Viceroy Butterfly Müllerian Mimicry (Fritz Müller) poisonous species come to resemble one another; Ex) Bees, Wasps, and Hornets c. Predation affects prey population dynamics; can cause explosions or crashes Ex) Explosion of white tail deer populations; rats, dogs, cats decimate prey population on islands; rabbits and prickly-pear cactus on Australia...
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This document was uploaded on 07/27/2011.

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