Science

posted by Anonymous

A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particularly hot, dry period that causes a snake population to decline. What could the biologist hypothesize about the roles of these two species?

A.The lizard preys on the snake

B.The lizard is a parasite of the snake

C.The snake and lizard use the same limiting resource**

D.The snake is a keystone species in the ecosystem

  1. Ms. Sue

    I disagree.

  2. Anonymous

    Would it be d instead?

  3. Ms. Sue

    Yes, d.

  4. Anonymous

    Thank you

  5. Ms. Sue

    You are very welcome.

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