Look at the sketches. The sketch on the left is of a fish embryo, and the sketch on the right is of a pig embryo.

Which of the following statements is the best explanation for why the embryos look so similar, considering how different an adult fish and pig are?

Fish and pigs both need gills.

Fish and pigs are both mammals.

Fish and pigs share a common ancestor.

Protein and polypeptide sequences can be determined by first partially hydrolyzing the protein or polypeptide followed by amino acid sequencing of the fragment pieces using the chemical degradation process known as edman degradation. determine the sequence of the initial (18-amino acid) polypeptide that produces the following five partial sequences after hydrolysis and edman degradation.

5points what is term for the process of gathering information through images taken at a distance? o a. global positioning o b. topography o c. remote sensing o d. cartography submit

Which of your fossils are most likely heterotrophs? which of them are autotrophs? how do you know?