What Is the Main Difference Between Monotremes and Eutherians
Monotremes reproduce by laying eggs similar to other reptiles and birds in this respect it very much inherent an ancient behavior trace back to the ancestor of all Amniotes. Relative maternal investment by gestation versus lactation Marsupials. Ecological Impacts Of Mass Extinctions With Data From The Fossil Record Time Scavengers Extinction 8th Grade Science Mass One of the biggest differences between marsupials and placental mammals is that marsupials give birth quite early and rely less on the. . C Monotremes lack the mammary glands that eutherians have. Because they have a uterus placental mammals do not have a pouch. Marsupials evolved about 130 million years ago. The main difference between monotremes and marsupials is that monotremes lay eggs whereas marsupials give birth to the live young ones that further develop inside a pouch of the mothers body. Have an epipubic bone. Marsupials Definition Facts Characteristics...