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Before birth, nutrients in the mother's blood stream flow through the umbilical cord into the fetus's blood stream. After birth, young placental mammals suckle (drink their mother's milk) until they are weaned.
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An animal that keeps it developing young in its body until birth to live is called?
A placental mammal.
What part of the seed is similar to the function of the egg yolk?
Both provide nourishment to the developing young
Is a shark a placental mammal?
Yes, some sharks do have their young in this way, it is called viviparity. Some sharks maintain a placental link to the developing young which is similar to mammalian gestation. The young are born alive and fully functional. The hammerheads, the bull and the blue sharks are viviparous.
What does placental mean?
Placental (ex. placental mammal) is an animal that nourishes it's developing young internally (inutero/in a uterus) where the connection between the mother's bloodstream and the baby's blood stream using a series of membranes called the placenta. These membranes are produced by the developing offspring and attach to the uterine wall to facilitate the transfer of oxygen and nutrients to the developing "infant" and allow the removal of waste products from the "infant" to the mother.
What is an organ in most mammals that provides nourishment to the young before birth?
The placenta. Placentas are found in female placental mammals (most mammals are placental mammals) inside the uterus and are a passageway by which nutrients flow from the mother's bloodstream to the baby's bloodstream and by which waste products flow from the baby's bloodstream to the mother's bloodstream.
Do Chipmunk lay eggs?
No, chipmunks are placental mammals. Placental mammals bear live young.
Is a polar bear placental?
A Polar bear is a Placental mammal. The young of Placental Mammals are born at an advanced stage after being nourished by the placenta.
Are human placental mammals?
Yes. Placental means to give birth to live young and breast feed babies.
Is the skunk a placental mammal?
yes. It gives birth to live young
Why is it necessary for insect reptile and bird eggs to store large amounts of yolk?
The developing baby inside a mammal is nourished internally by the mother until the baby is ready to be born. In an egg, the only nourishment available to the developing young is the yolk sac.
What is exchanged between placental mammals and their young?
Colostrum .
Before birth are young placental mammals nourished through placental?
Yes. Prior to their birth, placental mammals are nourished by the placenta which is attached to the mother's uterine wall.
