Darwin observed a variety of tortoises on the Galapagos Islands. These observations provided evidence for which of these statements? A Species vary locally
B Species vary over time,
c Island species are identical to mainland species
DIsland species are unrelated to mainland species

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now