The pattern of embryonic development in which only the cells lacking yolk subsequently undergo cleavage is called:

The shift of a vehicle's weight around its center of gravity is known as

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate