MCAT Question of the Day
    •

    Q:

    		 A rocky island appears as oceanic waters recede. Which of the following forms of vegetation would probably appear first on the bare rocks?
    		 

    A

    		 lichens

    B

    		 weeds

    C

    		 shrubs

    D

    		 pioneer trees



    Evolution |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More