Study

mo4 51-53

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  • Where and when do blue whales have their young?
    in the Tropics during winter
  • Can penguins fly?
    No, they can't.
  • How long do the blue whales spend at the northern and southern poles?
    3-4 months
  • Where do Arctic terns travel to?
    They travel between the North and South poles.
  • Where do blue whales go after having their young?
    to the Arctic or to Antarctica
  • How often do hummingbirds travel between the USA and Costa Rica?
    twice a year
  • Why is the swim upstream so dangerous for salmon?
    there are dangerous currents and predators
  • How do penguins migrate?
    by swimming
  • How long does it take for the hummingbird to fly across the Gulf of Mexico?
    20 hours non-stop
  • How much do hummingbirds weigh?
    only a couple of grams
  • Where do Pacific salmon breed?
    in American rivers
  • Do hummingbirds fly across the Gulf of Mexico?
    Yes, they do.
  • Where do the hummingbirds fly from, and to?
    from the USA to Costa Rica
  • Why do Arctic terns see so much daylight?
    during the summer, the sun doesn't set in the north, and during the winter, the days are very long in the south
  • How far do Arctic terns fly every year?
    around 40,000 km
  • Are the salmon strong when they arrive to the American rivers?
    No, they are exhausted.
  • Why do blue whales migrate to northern or southern poles?
    for food
  • Where can blue whales find plankton?
    in polar waters
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