In humans, the pelvis and femur, or thigh bone, are involved in walking. in whales the pelvis and femur are
a) examples of fossils
b) vestigial structures
c) acquired traits
d) examples of natural selection

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

What is responsible for the uneven heating between the poles and the equator on any given day

Which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton