Science

6th

Image

Populations and Resources Quiz

758

12 questions

  • 1. Multiple Choice
    2 minutes
    1 pt

    A population of tigers lives in Bangladesh. Over 50 years, the size of the tiger population increased. What best explains the increase in the size of the tiger population?

    A lot of tigers were born and none of them died.

    The tiger population is always increasing because no animal eats tigers.

    Fewer tigers were born than died.

    More tigers were born than died.

  • 2. Multiple Choice
    3 minutes
    1 pt
    Image

    Scientists have been studying the size of three populations in a grassland. In this ecosystem, lizards eat fireflies, and fireflies eat gnats (a type of insect). The data showed that all three populations were stable. Then the lizard population decreased suddenly. What will most likely happen to the size of the firefly population as a result?


    The firefly population will . . .

    increase

    stay the same

    decrease

  • 3. Multiple Choice
    3 minutes
    1 pt
    Image

    In Australia, both opossums and foxes eat rats. The sizes of the populations have been stable for the last 12 years, but recently the size of the opossum population increased. What will likely happen to the fox population?


    The size of the fox population will . . .

    increase

    stay the same

    decrease

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