Diploblastic refers to where .
a. Fish and amphibians, cells divide in twos synchronously
b. Sea stars and humans, development can proceed in two directions
c. Birds and reptiles, the egg must be completely nourished within a shell
d. Cnidarians and comb jellies, only two germ layers are formed
e. Only mammals, advanced neural structures are formed

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

What enzyme is most important for dna replication and why?