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What are the subclasses of mammels?
They are Monotremes, marsipuals, eutherians.
What is the difference between monotremes and eutherians?
Monotremes are a group of egg-laying mammals, such as the platypus and echidna, which possess unique features like a cloaca and mammary glands without nipples. In contrast, eutherians, or placental mammals, give birth to live young that develop inside the uterus, nourished through a complex placenta. This fundamental difference in reproduction reflects broader evolutionary adaptations and physiological traits between the two groups. Overall, monotremes are more primitive, while eutherians represent a more advanced stage in mammalian evolution.
In a clade mammalian has the three descendents monotreme marsupials and eutheria. What will these three descendants together be called?
The three descendants of the clade Mammalia—monotremes, marsupials, and eutherians—are collectively referred to as "therian mammals." This term encompasses all mammals that give birth to live young, excluding monotremes, which are egg-laying mammals. Therefore, monotremes, marsupials, and eutherians represent the major evolutionary branches within the mammalian lineage.
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.
How are the 3 types of mammles classified?
Mammals are classified into three main types based on their reproductive methods: monotremes, marsupials, and eutherians. Monotremes, like the platypus, lay eggs and are the most primitive group. Marsupials, such as kangaroos, give birth to underdeveloped young that typically continue to develop in a pouch. Eutherians, or placental mammals, give birth to more fully developed young, supported during gestation by a complex placenta.
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.
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
Are most mammals eutherians?
Yes. About 94% of living mammals are eutherians.
Do springboks lay eggs?
No. Springboks 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. Springboks are not monotremes, but placental mammals, or eutherians.
What phylum includes honeybees?
phylum arthopoda
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.
