Biology

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AP Bio Review Pt1

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42 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
    An r-selected population has
    very few offspring
    many offspring
    offspring that require a lot of parental care
    offspring are larger in size at birth
  • 2. Multiple Choice
    30 seconds
    1 pt
    Fire ants were introduced in this country in the early 1900s. They have spread across the southern US and have driven out the native ant species. This is due to -
    mimicry
    niche reassignment
    competitive exclusion
    symbiosis
  • 3. Multiple Choice
    30 seconds
    1 pt
    How much of the original amount of energy is available at the 2nd trophic level of an ecological pyramid?
    1%
    10%
    100% 
    impossible to determine
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