The evolution of the watertight amniotic egg with its series of membranes allowed reptiles to replace amphibians and become the dominant terrestrial vertebrate. Starting with the outermost membrane, the lies just beneath the porous shell of the egg. The encases the developing embryo within a fluid filled cavity. The provides food for the embryo via blood vessels connecting to the embryo's gut. The surrounds a cavity into which waste products from the embryo are excreted.

If a robot fixed another robot is it a engineer or doctor?

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis

Can someone pretty me with this ? it’s urgent. compare the three theories of emotion. here are the three theories of emotion. cannon-bard theory of emotion: the belief that both psychological arousal and emotional experience are produced stimultaneously ( at the same time) by the same nerve stimulus. james-lange theory of emotion: the belief that emotional experience is a reaction to bodily events occurring as a result of an external situation. ( “ i feel sad because i am crying.) schachter-singer theory of emotion: the belief that emotions are jointly determined by a nonspecific kind of psychological (bodily function) arousal and its interpretation, based on environmental ( natural surroundings) cues. which of these theories makes most sense to you? why. your response should be written using proper english spelling and grammar. and it needs to be 10 complete sentences.