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Development of the placenta gave mammals the ability to carry its young internally, which provided an advantage over egg laying rivals.
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How would harmful substances in the mothers blood reach the embryo in her uterus?
The substances can pass through the placental wall.
How is scrapie transmitted?
It is transmitted through feed contaminated with nervous tissue. It can also be transmitted through pasture infected with placental tissue from infected sheep.
Umbilical pertains to what?
In placental mammals, the umbilical cord (also called the birth cord or funiculus umbilicalis) is a conduit between the developing embryo orfetus and the placenta.
What are the three part of dunning's eclectic theory?
The three parts of Dunning's eclectic paradigm theory are ownership advantages, location advantages, and internalization advantages.
What are the rationale and evolution of supplier development?
the rationale for supplier development
What are two advantages of the placental pattern of development over the marsupial pattern?
More mature newborn Less risk to immature foetus
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.
Do placental mammals have short internal development?
No. Placental mammals tend to have longer gestation periods than marsupials, depending on the size of the animal.
Does a placental mammal have a longer gestation period than a marsupial or is it the other way?
A placental mammal has a longer gestation period than a marsupial of similar size. This is because the baby placental mammal completes its development within the womb, unlike the marsupial joey which must complete its development in the pouch.
Mammals that give birth to babies that have completed their development?
Are usually placental mammals
Do cheetah have internal or external development?
Cheetahs are placental mammals, so they have internal fertilization and internal development within the uterus of the female.
Is a whale a marsupial?
Seals are placental mammals, as the young complete their development within the mother's uterus, attached to a placenta. They do not have a pouch like most marsupials, and they do not lay eggs like monotremes.
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 are the advantages and disadvantages of rural development in Manicaland?
There are many advantages and disadvantages of rural development in Manicaland. One advantage is the community that is built with the development.
Are rabbits placental mammals or monotremes?
A rabbit is a placental mammal.
Advantages and disadvantages of economic development?
Advantages of community development can include economical resources that can fulfill the need for employment. The disadvantages of community development most often includes environmental changes, more pollution, and the alteration of natural landforms.
Are ants Placental?
No. There are no insects which are placental.
