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Marsupials, monotremes and placental mammals are all sub-groups of mammals. They share the following characteristics:
- vertebrates
- warm-blooded
- have fur, skin or hair
- breathe through lungs (not gills)
- the young feed on mother's milk
The major differences, however, include:
- monotremes are the only mammals which lay eggs
- marsupial young are born undeveloped and continue most of their growth and development whilst they are in the mother's pouch, attached firmly to the teat for several months, where they receive all their nutrients.
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∙ 12y ago
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∙ 9y agoPlacental mammals and marsupials both belong to the subclass Theria. Monotremes do not belong to the subclass Theria. That is because marsupials are more closely related to placental mammals than monotremes are.
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∙ 12y agoChiropterans, or members of the bat family, are all placental mammals.
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∙ 15y agoMonkeys are placental mammals. They do not have a pouch like marsupials, nor do they lay eggs like monotremes.
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∙ 13y agoSquirrels are placental mammals.
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∙ 14y agoGiraffes are placental mammals.
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∙ 15y agoPlacental
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What 3 examples of mammals are there?
Monotremes, marsupials, and placentals
Why are plancetals more successful than marsupials and monotremes?
Because placentals are the largest number of mammals.
Is a gorilla a placental or monotremes?
Marsupials, monotremes, and placentals are all types of mammals. To qualify as a mammal, an animal has to be warm blooded, have hair, and produce milk for its young. Alligators do not fit any of those criteria, because they are reptiles, not mammals. So they are not marsupials, monotremes, or placentals.
Are mammals that lay eggs called placentals?
No. Mammals which lay eggs are monotremes. Placental mammals and marsupials give live birth.
Are dolphins placentals?
Yes. Dolphins are placental mammals because they do not have a pouch like most marsupials, and they do not lay eggs like the monotremes.
What MOST SPECIFIC classification puts humans in the same category as whales?
Theria is the closest connection between marsupials and placentals. It includes all mammals besides the monotremes.
Are zebra's placental mammals?
yes all mammals are placental. No, not all animals are placentals. There are also marsupials and monotremes.
Do all mammals feed from their mothers?
Yes. The fact that these animals feed their young on mothers' milk is one of the defining characteristics of all mammals, including the placentals, marsupials and monotremes.
Is a bat a monotremes or a placentals?
Bats are placental mammals. Unlike monotremes, they do not lay eggs.
Are mammals monotremes or marsupials?
Monotremes and marsupials are both types of mammals along with placental mammals
What are the three main groups of mammals?
Monotremes, marsupials, and placental mammals.
On what continent would you find marsupials and monotremes?
The majority of the world's marsupials and monotremes are found on the continent of Australia.
