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No. Fossil evidence indicates that platypuses have always existed more or less in their current form. Ancient platypuses were larger and had teeth, unlike modern platypuses, but platypuses do not provide any sort of evolutionary link between reptiles and mammals.

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What is the connecting link between reptiles and mammals?

duck billed platypus


What amimal's lay eggs?

All reptiles and some mammals like platypus


Are birds closest to mammals or reptiles?

While at first glance birds seem similar to mammals, they are more closely related to reptiles.


How do born animals differ from animals that are hatched from egg?

Born animals are mammals and eggs can be from birds, reptiles, amphibians and two types of mammals, the platypus and the echidna.


Are mammals and reptiles similar?

They have some similarities. Both reptiles and mammals are primarily land-dwelling vertebrates, though some species are aquatic.


Is the platypus an invertebrate?

It is a vertebrate because it has a spinal column in its skeletal system. Also it is a mammal, although it lays eggs, and every mammal (or other warm-blooded creature, like a bird) is a vertebrate.


What animals havehair?

All mammals have fur, some other animals can have fur e.g the platypus which lays eggs but has fur so it has characteristics of both mammals and reptiles but all mammals have fur.


Does a platypus have a cloaca?

Yes. A cloaca is present in marsupials and monotremes, as well as in birds, amhibians and reptiles. Placental mammals do not have a cloaca.


What three MAMMLES lay eggs?

The three types of mammals that lay eggs are monotremes, which include the platypus and the echidna. Monotremes are unique among mammals as they reproduce by laying eggs rather than giving live birth. These mammals possess a cloaca, a single opening for excretion and reproduction, similar to reptiles and birds. The platypus is known for its duck-bill and webbed feet, while echidnas have spiny coats and are often called spiny anteaters.


Which is a creature not a mammal and a reptile?

There are many animals that are not classed as mammals or reptiles. firstly, you have the entire invertebrates group. for example spiders and insects. secondly, you have the vertebrates that are not mammals or reptiles, for example, birds and fish. but if you are wondering the name that incorporates the platypus and echidna, then they are called Monotremes


Are alligator's mammals?

No, alligators are not mammals, they are reptiles.


Are turtles mammals or reptiles?

Turtles are reptiles, not mammals.