Are the additional embryonic membranes similar
Are the additional embryonic membranes similar in all vertebrates?
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The existence of each additional embryonic membrane differs according to the vertebrate class.
In amphibians and fishes, only the yolk sac is existed. In reptiles and aves in addition to the yolk sac, there are as well the amnion, the chorion and the allantois. In placental mammals besides all such membranes, the placenta is existed too.
Characterize three main arthropod classes according to the body division?
Briefly define the terms total fertility rate and Zero population Growth rate?
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What is endosymbiotic hypothesis regarding the origin of mitochondria? What are the molecular facts which support the hypothesis? To which other cellular organelles can hypothesis too be exerted?
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World Class Organization: The Goods, services, and processes which are ranked by customers and industry-experts to be amongst the best of the best. This designation symbolizes standard-setting excellence in terms of performance, design, quality, and c
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