If someone takes each of these sports balls shown below, and rolls them with the same force across the same floor, which would accelerate faster according to newton's 2nd law? a) soccer ball because of less mass b) bowling ball because of more mass c) neither they would accelerate the same d) the bowling ball because of the smoother surface

Where do homologous chromosomes exchange genetic material through crossing over?               a.  chlorophyll    b.  centrosomes    c.  centromeres    d.  chiasma

Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent