Agroup of finches were isolated on an island and over many generations. the beaks of the species changed from short and hooked to long and pointed. what caused this change to occur to create this new species

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

Which of these is not a nucleotide base found in dna?