Studying the differences between fossils and modern organisms help scientists better understand the  ​

The use of dna as evidence in criminal investigations became possible because of the

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance

The earth formed roughly 4.5 billion years ago, yet evidence of life dates back to about 3.5 billion years ago. which one is not a possible hypothesis of how life on earth arose?