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Nature's Balance - When The Wolves Return

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  • The number of ... increased in 1926 without wolves to hunt them.
    wolves
    rangers
    elk
    increased
  • When did Yellow stone become a national park?
    In 1872
    In 1782
    In 2178
    In 1972
  • What state is Yellowstone National Park in?
    Wisconsin
    Washington State
    West Virginia
    Wyoming
  • In 1995 something happened to bring back natures balance, what was it?
    They brought beavers back to the park
    They hunted all the elk.
    They brought wolves back to the park
  • When the wolves came back to the park, how did it effect the coyotes?
    Coyote numbers increased.
    Coyote numbers decreased.
    Coyote numbers stayed the same.
  • What do beavers use to cut down trees?
    their feet
    a saw
    their hands
    their teeth
  • Where did park officials bring wolves from in 1995 and 1996?
    From Canada
    From Brazil
    From India
    From Turkey
  • How did beavers disappear?
    Without trees, they couldn't survive.
  • What year did Yellowstone become the world’s first national park?
    1872
    2072
    1772
    1972
  • What is this person's job?
    Park ranger
  • What is a geyser?
    A hot spring that sends jets of hot water and steam into the air.
  • Wolves ... the numbers of coyotes and elk.
    control
  • What stopped young shoots and bark from growing?
    The elk ate young shoots and bark.
    The proghorns ate young shoots and bark
    The coyotes ate young shoots and bark
  • With so many coyotes in Yellowstone, the number of pronghorns decreased. Coyotes fed on ...pronghorns.
    newborn
    no
    few
    less
  • Why did ducks disappear?
    Beavers didn't have enough trees to build dams that provided homes for ducks.
  • Without wolves, _____ were at the top of the food chain.
    coyotes
    elk
    rangers
    deer
  • When the wolves came back to the park, how did it effect the elk?
    Elk numbers decreased.
    Elk numbers stayed the same.
    Elk numbers increased.
  • Name three predators?
    lion - tiger - bear - crocodile
  • How many wolves are there in the park now?
    250
    7
    12
    150
  • What was the effect to the coyote numbers when the wolves were not eating them?
    The number of coyotes stayed the same.
    The number of coyotes increased.
    The number of coyotes decreased.
  • How did rangers keep the elk numbers down in 1926?
    They had to raise more elk.
    They had to shoot and kill elk.
    They had to kill more wolves.
    They had to bring more elk from other parks.
  • A ....... shows a sequence of important events. It tells about each event and when it happened.
    time line
  • What do you call a group of wolves?
    A pack of wolves.
  • How did wolves solve the problem in Yellowstone?
    Wolves killed or chased away coyotes. Other animals survived more easily.
  • How many packs of wolves were set free in 1995 and 1996?
    seventeen
    seven
    eight thousand
    eight
  • What was the effect to the elk numbers when the wolves were not eating them?
    The number of elk decreased.
    The number of elk stayed the same.
    The number of elk increased.
  • Where is Yellowstone National Park located in the United States?
    Wyoming
    Nebraska
    New York
    California
  • Why did new plants and trees suffer when wolves were gone?
    The elk ate young shoots, so not enough trees could grow fast enough.
  • Why were hunters paid to kill the wolves? (1924)
    The wolves fed on elk and deer.
  • What country is Yellowstone National Park in?
    America
  • What was the effect to the proghorns numbers when the coyotes were the top predator in yellowstone?
    The numbers of proghorns stayed the same. .
    The numbers of proghorns decreased.
    The numbers of proghorns increased.
  • What do coyotes eat?
    Everything from calves to insects.
  • What did the rangers do when they thought that the wolves were killing too many elk and deer?
    Put the elk and deer in a special place away from the wolves
    Paid hunters to kill the wolves
    Asked the wolves to stop eating elk.
  • In Yellowstone, _____ shoot steam high into the air.
    geysers
    waterfalls
    wildlife
  • Today, Yellowstone is becoming a _______ system again.
    healthy
    bad
    coyote
    wolf
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