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Evolution is a central, unifying theme in biology beacause?

Turkeys have 76 diploid chromosomes total in each cell. How many types of

chromosomes would that be?


Diagram the types of gametes you would expect from a ++/yw female, given no crossovers, one crossover, two crossovers, three crossovers, and fours crossovers between bonsister chromatids of homologous chromosomes?


You are a red blood cell in the LEFT VENTRICLE of the heart. In the correct sequence, which blood vessels must you pass through in order to get into the RIGHT wrist (the palmar arches)?



how mild temperature droughts and floods contributedfor the evolution of tetra pods on the land?

explain the advances of subclass actinopterygii


explain evolutionary history advances of subphylum vertebrata over sub-phylum cephalochordate


explain about origin of tetra pods and their fish ancestors


why animals evolved lung to live on land, why not animals with gills?


In which period of the zoological timescale the first vertebrate were appeared with egg?