In humans the pelvis and femur, or thigh bone, are involved in walking. In whales the pelvis and femur shown in figure 16.1 are

Provide one reason why mitosis occurs.

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.