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How is the development of an embryo in an amniotic egg and in a placental mammal different?
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Why is a pig classified as a placental mammal?
Pig is classified as a placental mammal because it has placenta for internal development of its embryo.
Similarities in the development of this early stage of life such as the presence of an amniotic sac show organisms are related?
Embryo
What type of mammal are monkeys?
Monkeys are in the placental group of mammals which means that they have an internal placenta for development of embryo.
What is the name for the protective structure that forms around an embryo?
Amniotic membrane or amniotic sac, containing the embryo and amniotic fluid.
Does the Amniotic sac feed the embryo?
no
What are the four membranes in an amniotic egg.?
The amniotic egg has seven different parts that play different functions. The seven parts include the shell, albumen, chorion, yolk, allantois, ammunion and embryo.
How is the development of the amniotic egg analogous to the development of seeds in the evolution of land plants?
both allowed the widespread dominance of organisms on land by preventing the embryo from drying out (thus decreasing dependance on a body of water) and provided protection and nourishment to the embryo.
What is the protective sac around the developing embryo or fetus is the?
The protective sac around the embryo or fetus is the amniotic sac.
What does the albumin do in an amniotic egg?
it provides protein to the embryo
What is the structure that protects and cushions the embryo?
amniotic sac
What is the membrane that protects and cushion embryo?
The Amniotic Membrane.
What is the amniotic fluid and what is its function?
Amniotic fluid is a nourishing fluid found in the amniotic sac of the embryo. Its main function is nourishment of the embryo. Please refer to the related questions for detailed information on Amniotic fluid.
