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sar12 Group Title

A population of hummingbirds is composed of individuals with short or long beaks, which they use to reach nectar inside flowers. A flowering trumpet vine that produces many deep, bell-shaped flowers is introduced to the region, resulting in fewer short-beaked and more long-beaked hummingbirds. Which of the following conditions most likely caused this shift in the hummingbird population?

  • 2 years ago
  • 2 years ago

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  1. sar12 Group Title
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    a. Hummingbird predators avoided areas where the trumpet vine grew. b. Hummingbirds starved because the trumpet vine limited the food supply. c. Hummingbirds that compete for nectar were more successful with long beaks. d. Hummingbirds with short beaks overproduced offspring with longer beaks.

    • 2 years ago
  2. Sleepy12 Group Title
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    c

    • 2 years ago
  3. nazima Group Title
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    do you have idea of natural selection?

    • 2 years ago
  4. sar12 Group Title
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    no not really

    • 2 years ago
  5. nazima Group Title
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    survival of the fittest,

    • 2 years ago
  6. nazima Group Title
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    so see in that prospective.

    • 2 years ago
  7. sar12 Group Title
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    ok

    • 2 years ago
  8. sar12 Group Title
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    so b?

    • 2 years ago
  9. sar12 Group Title
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    am i right?

    • 2 years ago
  10. nazima Group Title
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    natural selection is about competition between organisms which share common niche

    • 2 years ago
  11. sar12 Group Title
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    d?

    • 2 years ago
  12. viendra Group Title
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    it is C.

    • 2 years ago
  13. sar12 Group Title
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    really is that right?

    • 2 years ago
  14. nazima Group Title
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    ya c it is

    • 2 years ago
  15. sar12 Group Title
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    oh ok thanks guys!

    • 2 years ago
  16. nazima Group Title
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    do u get it how? that is what is more important.

    • 2 years ago
  17. sar12 Group Title
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    yea, from the beginning i thought so, but I thought it was wrong...

    • 2 years ago
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