In placental What do the following parts of an egg do ? In Marsupials ( like the possum or kangaroo ) which one becomes the umbilical cord? In placental mammals ( like cats, dogs, & humans ) which one becomes the umbilical cord? Yolk, Allantosis, Chorion, Amnion.mammals (like cats, dogs,
category is nutrition topic is any sports i chose powerlifting
category is nutrition topic is any sports i chose powerlifting