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Which order of mammals lays eggs like their reptilian ancestors?
Monotremes lay eggs. Monotremes include just the platypus and the echidna. However, it is a fallacy to suggest that their ancestors were reptilian. This is pure theory, and not backed up by any evidence. Fossil evidence shows, for example, that the platypus is largely unchanged compared to its ancient, larger ancestor.
The difference between reptilian eggs and amphibian eggs in that reptilian eggs?
Amphibian eggs and Fish eggs are usually found with a layer of a jelly like substance coating the egg. Reptile eggs are found with an egg that is protected with a shell.
Are platypus fish?
No, platypuses are not fish. They are mammals, specifically monotremes, which are a group of mammals that lay eggs instead of giving birth to live young. Platypuses have a unique combination of mammalian, avian, and reptilian characteristics, but they are not classified as fish in any scientific taxonomy.
Why prototherians are unfinished mammals?
Prototherians, such as the platypus and echidna, are considered "unfinished" mammals because they exhibit both reptilian and mammalian characteristics. They lay eggs like reptiles, but also produce milk for their young like mammals. These unique features suggest that prototherians represent an ancient stage in mammalian evolution before the development of more distinct mammalian traits.
Do bears go in the mammals group?
yes it does it does not hatch eggs
Do all female mammals lay eggs?
No. Only female platypuses and echidnas lay eggs. They belong to the group of mammals known as monotremes.
Which group does penguin belong birds or mammals?
birds. penguins arent mammals bcuz they lay eggs and mammals dont.
Do Monotremes lay eggs?
Yes. Monotremes are egg-laying mammals; this group of mammals includes just platypuses and echidnas.
What mammals doesn t lay eggs?
Marsupials and placental mammals are the ones that do not lay eggs. Monotremes are the only egg-laying mammals, and this group includes just the platypus and the echidna.
What group of animals does the sparrow belongs to?
mammals, birdsactually birds are not mammals because mammals have live babies, birds lay eggs.
The difference between reptilian eggs and amphibian eggs is that reptilian eggs?
Reptilian eggs often have a hard or leathery shell protecting them - amphibian eggs do not. Amphibians like frogs and salamanders lay eggs that almost look like balls of gel or slime, so they must be laid somewhere moist. Because reptile eggs have a protective shell, they can be laid in more varied areas than amphibian eggs can.
What mammalian group lay eggs?
The sub-group of mammals which lay eggs are called monotremes.This group includes the platypus and the two species of echidna.
