*EXTRA POINTS* If a gas is cooled, what will happen to its volume?
If a gas is heated, what will happen to its volume?

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

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

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?