K Katie New member Sep 25, 2009 #1 1.Which of the following is an autotroph? A.gravel B.pine tree C.brontosaurus D.vulture 2. _______ can produce their own energy. A.Autotrophs B.Heterotrophs C.both a and b D.none of the above
1.Which of the following is an autotroph? A.gravel B.pine tree C.brontosaurus D.vulture 2. _______ can produce their own energy. A.Autotrophs B.Heterotrophs C.both a and b D.none of the above
