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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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Why are eutherians referred to as placental mammals?

Eutherians are referred to as placental mammals because they have a placenta, which is an organ that nourishes the developing fetus during pregnancy.


What are the potential risks and complications associated with placental abnormalities in pregnancy?

Placental abnormalities in pregnancy can lead to risks such as preterm birth, fetal growth restriction, and placental abruption. Complications may include preeclampsia, stillbirth, and the need for a cesarean section. It is important for pregnant individuals with placental abnormalities to receive close monitoring and medical care to reduce these risks.


What are the advantages effect of biotechnology?

Some advantages of biotechnology include improved crop yields, development of new medical treatments and drugs, production of renewable energy sources, and enhanced methods for cleaning up environmental pollution.


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 potential risks and implications of placental abnormalities during pregnancy?

Placental abnormalities during pregnancy can lead to serious risks such as restricted fetal growth, preterm birth, and preeclampsia. These abnormalities can also affect the baby's oxygen and nutrient supply, leading to developmental issues or even stillbirth. It is important for healthcare providers to monitor and manage these conditions to ensure the health and safety of both the mother and baby.

Related Questions

What are two advantages of the placental pattern of development over the marsupial pattern?

More mature newborn Less risk to immature foetus


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


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.


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.


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.


Are rabbits placental mammals or monotremes?

A rabbit is a placental mammal.


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 ants Placental?

No. There are no insects which are placental.


Is the aardvark a marsupial monotreme or placental?

The aardvark is a placental mammal.


Is a cow a monotreme marsupial or placental?

A cow is a placental mammal.