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What are the distinguishing characteristics of Eutherians?
Eutherians are a group of mammals consisting of placental mammals plus all extinct mammals that are more closely related to living placentals (such as humans) than to livingmarsupials (such as kangaroos).
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 Mammals that give birth to fully developed live young are called?
Mammals that give birth to fully developed live young are called eutherians or placental mammals. These mammals have a complex placenta that nourishes the developing fetus during gestation, allowing them to be born at a more advanced stage of development compared to other mammals, such as marsupials. Examples of eutherians include humans, elephants, and whales.
What are the three types of mammals?
The three types of mammals are:Placental mammals, or Eutherians. This is the largest group of mammals.Marsupials (often referred to as the "pouched mammals")Monotremes, or egg-laying mammals
What does eutheria mean?
Eutheria is a subclass of mammals that includes placental mammals, which give birth to live young that have been nourished in utero by a placenta. Eutherians are the most diverse and successful group of mammals on Earth, and they include humans, elephants, dogs, and whales.
Eutherians live in water?
Eutherians, also known as placental mammals, primarily inhabit terrestrial environments, but some species have adapted to aquatic life. Notable examples include whales, dolphins, and manatees, which have evolved specialized features for living in water. However, the majority of eutherians, such as humans, dogs, and elephants, are land-dwelling creatures. Thus, while some eutherians thrive in aquatic ecosystems, the group as a whole is not exclusively aquatic.
What are the three subgroups of mammals and their features?
Mammals are classified into three subgroups: monotremes, marsupials, and eutherians (placental mammals). Monotremes, like the platypus, lay eggs and produce milk without nipples. Marsupials, such as kangaroos, give birth to underdeveloped young that continue to develop in a pouch. Eutherians have a complex placenta that nourishes the young during gestation, allowing for longer developmental periods before birth.
What phylum includes eutherians and monotremes?
Eutherians and monotremes are in the phylum Chordata.
What other subclasses are there for mammals?
Some other subclasses of mammals include monotremes, which are egg-laying mammals like the platypus and echidna, as well as marsupials, which carry their young in a pouch, like kangaroos and koalas. Additionally, there are also eutherians, which are placental mammals that nourish their young through a placenta, such as humans, dogs, and elephants.
Is a koala a type of panda bear?
No, a Koala is not a panda. It is not any form of bear, or even remotely related to bears. The koala is a marsupial, while pandas and bears are placental mammals, or eutherians.
Does a zebra lay eggs?
No. Zebras do not lay eggs. There are only three egg-laying species of mammal the platypus, the long-beaked echidna and the short-beaked echidna. These egg-laying mammals are known as monotremes. Zebras are not monotremes, but placental mammals, or eutherians.
Do hippotomuses lay eggs?
No. Hippopotamuses do not lay eggs. There are only three egg-laying species of mammal the platypus, the long-beaked echidna and the short-beaked echidna. These egg-laying mammals are known as monotremes. Hippopotamuses are not monotremes, but placental mammals, or eutherians.
