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Isle Royal

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a milly

on 29 April 2010

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Transcript of Isle Royal

33) When was the Bedrock formed supporting Isle Royal? 33) 1 billion years 26) When did the glaciers retreat? 23) 3000 years ago 23) When did Native Americans mine copper on Isle Royal? 18) When did Isle Royale to become a national park? 17) northwest portion of Lake Superior. 17) Where is Isle Royal located? 16) It is ~50 miles long and ~8 miles wide. 16) How long and wide is it? 18) 1931 26) 8,ooo years ago 22) When did the moose arrive on the island? 22) about1900 28) How did they get there? 28) Swam 24) How much do moose eat a day? 24) 40 lbs 29) What is a moose’s maximum life span? 29) 17 years 31) 17 years 31) What is a moose’s maximum life span? 27) What is the average life span? 27) 9 years 30) What percentage of their energy do bull moose use growing antlers? 30) 25 % 21) Out of 10 cows, how many will be pregnant going into winter? 21) 8 of 10 cows How many cows will have surviving calves by spring? 1.1 or 2 15) What percent body weight increase do moose put on preparing for winter? 15)25% 13) How many ticks might each moose have on their bodies in the winter? 13) 80,000 14) What climate conditions favor tick populations? 14) Warm springs, warm summers, and warm falls are likely to favor ticks. 9) Wolves weight how much at birth? 9) can of soda 10) what do pups eat? 10) food is regurgitated for the pups to eat 6) how old are pups when they typically leave the pack? 6) 12 months+ 19) Who is in charge of the pack? 19) alpha male & Female 11)How many miles a day/year do wolves walk? 11) 30/4000 miles 25) How do wolves mark their territory? 25) urinate or defecate 32) Wolves will attack only ____ of every 10 moose they chase. 32) one of 10 34) Wolves will kill every ______ or ______ of every 10 moose they attack. 34) 8 or 9 20) Wolves will attack what parts of the moose? 20) rump and nose 12) How many olfactory receptors does a wolf have? 12) 280 Million 8) Of the wolves that survive their first six to nine months, most are dead by ______or _____years of age. 8) 3 or 4 years 7)Every year, one in ______ or ______ adult wolves dies in a healthy wolf population. 7) 4 or 5 adults die 5) The 2 causes of wolf death are primarily ______________ and __________. 5) lack of food and conflict with other wolves 3) What ones show deformities in wolves? 3)vertebrae 4) What is causing the deformities? 4) Inbreeding 1) How many pounds a day can a raven eat? 1) 1.2 lbs 2) Does a large or small wolf pack have an advantage over scavengers? 2)large
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