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BIOL 1902 (382)
Lecture

Wk 10.doc

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Department
Biology
Course
BIOL 1902
Professor
Michael Runtz
Semester
Winter

Description
TERMS AND EXAMPLES WEEK 10HOW ANIMALS DEAL WITH LACK OF FOOD OR FOOD STRESSAUNPREDICTABLE IRREGULAR FLUCTUATIONS OF FOOD NO REAL PATTERN SMALL MAMMAL POPULATIONS FLUCTUATE GREATLY SOME YEARS THERE AREHUGE NUMBERS OTHERS ALMOST NONE SEEDS AND FRUITS ALSO FLUCTUATE SOLUTIONS ASWITCH FOOD SCAVENGEESPECIALLY IN WINTER IE CARNIVORES BIRDS EAGLES JAYSRAVENSB STORE FOOD WHEN THERE IS EXTRAFOXES WEASELSHIDE OR BURY EXTRAOWLS SHRIKES IMPALE PREY ON A SHARP OBJECTFOOD STORESLARDERFOR REGULAR AND PREDICTABLE FOOD SHORTAGES DUE TO WINTERSOLUTIONS1 MIGRATION2 DORMANCY 3 LONGTERM STORAGEANIMALS HAVE TWO MAIN STORAGE TYPES 1SCATTER HOARDINGMANY SCATTERED SMALL STORES GRAY SQUIRRELSONE ITEM IN EACH SITE RED SQUIRRELPILES OF CONES MIDDENS GRAY JAYWRAPS FOOD IN A SALIVAL BLANKET HIPPOCAMPUS GROWS LARGER INCREDIBLE SPATIAL MEMORY2 CENTRAL STORAGECHIPMUNKS HAVE UNDERGROUND STORE ROOMS BEAVERS MAKE A FOOD PILE NEAR THE LODGE PLANTS ALSO HAVE NUTRITIONAL DEMANDS UNLIKE ANIMALS MOST PLANTS MAKE THEIR OWN FOODAUTOTROPHSTO MANUFACTURE CARBOHYDRATES AND OTHER COMPOUNDS MOST USE RAW INGREDIENTSN
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