Review the following images and indicate the type of body symmetry each animal represents.

How many variables are altered in a good experiment? a.1 b.0 c.2 d.3

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into