BIOL 1902 Test 1-Questions with Correct Answers/ Expert Verified/ Latest Update/ Already Grade A+
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Course
BIOL 1902
Institution
BIOL 1902
When the animal's patterns generally match their environment
(ex: American bittern - cattail marshes, fawns, grouse - forest floor) - Background
matching
A type of mimicry in which a harmless species (mimic) looks like a species that is poisonous
or otherwise harmful to predators (model).
# mo...
BIOL 1902 Test 1 -Questions with Correct Answers/ Expert Verified/ Latest Update/ Already Grade A+ When the animal's patterns generally match their environment (ex: American bittern - cattail marshes, fawns, grouse - forest floor) - ✔✔Background matching A type of mimicry in which a harmless species (mimic) looks like a species that is poisonous or otherwise harmful to predators (model). # models > # mimics - ✔✔Batesian mimicry strongly contrasting markings such as spo ts or stripes break up an animal's outline - ✔✔Disruptive patterns When disruptive patterns are aligned by body posture (ex: American bittern or butterflies mimicking milk snake) - ✔✔Coincident disruptive patterns When the animal is lighter on one side o f its body than the other (ex: whirligigs) - ✔✔Bicolouration protective coloration of some animals in which parts normally in shadow are light and those exposed to the sky are dark. - ✔✔Countershading Matching the environment with shape and colour (ex: a ngle winged butterfly) - ✔✔Masquerade bold and often colourful patterns that are exposed suddenly to startle a predator; sometimes serve a deflection or distraction role (ex: underwing moth) - ✔✔Startle patterns Patterns that mimic eyes used on some star tle patterns. Make an animal appear 'larger than life' (ex: sphinx moth) - ✔✔Eyespots Structures exposed suddenly to startle a predator (ex: 'snake tongue' osmetarium of giant swallowtail caterpillar, wingtails, bright tongue of five-lined skink) - ✔✔Startle structures turtle shell - ✔✔Carapace (top) & plastron (bottom) warning coloration - ✔✔aposematic coloration Animals getting poison from plants - ✔✔Sequestering Group of defended, unrelated animals that look similar - ✔✔Mullerian mimicry Increasing in size to intimidate (ex: toads, hognose snake) - ✔✔Bluffing playing dead - ✔✔Thanatosis Small birds attacking larger birds - ✔✔Mobbi ng advertise awareness - ✔✔Flags being alert and scanning the environment - ✔✔Vigilance Larger ears capture more sound, ears pivot to scan all directions, membranes to pick up vibrations - ✔✔Auditory vigilance
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