sfabrigas. But thanks to the amniotic egg, reptiles can lay their eggs nearly anywhere on dry land. How did the amniotic egg liberate reptiles from a dependence on water for reproduction? 1 minute ago The amniotic egg was a successful adaptation primarily because. Amniotic eggs are usually laid by mammals, reptiles, birds,… The outer shell of the amniotic egg serves the purpose of protection. A shelled egg is just as impervious to sperm as to water, so its arrival coincided with the development of internal fertilization. In eutherian mammals (such as humans), these membranes include the amniotic sac that surrounds the fetus. STUDY. These characteristics, along with the shelled, amniotic egg, were the major reasons why reptiles became so successful in colonizing a variety of terrestrial habitats far from water. Flashcards. Obtaining an isolate of a human influenza virus in the allantoic cavity of the embryonated hen's egg is more efficient if the clinical sample is initially passaged in the amniotic cavity. Evolution of the amniotic egg was paramount in eliminating the need for vertebrate animals to reproduce in water, and allowed independent embryonic existence in the absence of parental care [].The amniotic egg was a major evolutionary adaptation that facilitated terrestrial exploitation, because on land, eggs are exposed to a highly variable environment in comparison with … What is an amniotic egg? Bio3: Chapter 11 Animal Diversification. ... finches were more successful if they could gather seeds effectively. The amniotic egg evolved as an adaptation A against predation B to insure from BIO 120 at University of Saskatchewan In addition, reptiles conserve valuable body water by excreting nitrogen in the form of uric acid paste. Learn. Created by. Moreover, the structure and material of the egg aid the organism in gas and energy exchange. Match. vitamins minerals . An amniotic egg is an egg which contains an amnios, a fluid filled membrane that surrounds the embryo to protect it. The amniotic egg was such a successful adaptation for land living that it has been retained by birds and mammals. Gravity. The amniotic egg was an evolutionary invention that allowed the first reptiles to colonize dry land more than 300 million years ago. 1 minute ago The outermost layer of connective tissue surrounding a skeletal muscle is the. An amniotic egg is an egg that contains amniotic fluid and a yolk to nourish a developing organism. The amniotic egg evolved as an adaptation A against predation B to insure from BSC 2011 at University of South Florida 1. Spell. Write. The amniotic egg allowed this to happen because the water needed for reproduction is enclosed in the egg. 1 minute ago The interior of eukaryotic cells contain numerous membrane-bound structures called. PLAY. ... Why were jaws and fins an important adaptation for survival in the evolution of fish? Test. Explain how the amniotic egg is an adaptation that helps reptiles live on land. All reptiles, birds, and mammals produce amniotic eggs during reproduction. The amniotic egg was a successful adaptation primarily because notochord In the vertebrates, the vertebral column functionally replaces the _____________ during development.