891-1109-5477 BC91RH c o m e a n y b o y s t o m y z o o m

Which of the following is true of natural population a.) populations are all the individuals of a species living in a defined area b.) populations are all uniform in size c.) viable populations exhibit little, if any, genetic variation

Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating