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No. Echidnas and platypuses are Mammals, not reptiles. They are unique egg-laying mammals known as moniemes. There are several reasons why platypuses and echidnas are classified as mammals.
1. Platypuses and echidnas have fur (all mammals have fur, skin or hair).
2. They breathe using lungs (not gills).
3. They are warm blooded.
4. The main reason is that they suckle their young on mothers' milk.
5. They have a flexible neck with seven cervical vertebrae.
6. Platypuses and echidnas show enhanced neocortex development.
7. Sound is produced by the larynx (a modified region of the trachea).
8. Limbs are oriented vertically
9. Like all mammals, they have a heart with 4 chambers.
10. Internal temperature is generally high.
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How do spiny anteaters and duckbill platypuses differ from reptiles?
Quite aimply, echidnas and platypuses are mammals. They are warm-blooded, unlike cold-blooded reptiles, with a covering of fur, rather than scaly skin.
What word is to described the platypuses and echidnas?
Platypuses and echidnas are monotremes, or egg-laying mammals.
How do platypuses and echidnas break apart?
Platypuses and echidnas are each distinct species. They do not "break apart".
Are platypuses mammals or reptiles?
Platypuses are mammals. They are unique egg-laying mammals known as monotremes, along with echidnas. They have fur, produce milk to feed their young, and possess other mammalian characteristics despite laying eggs.
Are platypuses and echidnas the only two mammals that lay eggs?
Yes. Platypuses and echidnas are the only monotremes, or egg-laying mammals.
How are platypus similar to reptiles and mammals?
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.
What is the other monotreme?
Platypuses and echidnas are both monotremes.
Why are platypuses like reptiles?
The only way in which platypuses are like reptiles is that they lay eggs.
Who are platypus related to?
Platypuses are monotremes and their nearest relatives are Echidnas.
Can platypuses give birth?
No. Platypuses, like echidnas, are monotremes, meaning they are egg-laying mammals. Baby platypuses hatch from soft, leathery eggs.
A mammal that produces shelled eggs is a?
A monotreme. Monotremes consist of platypuses and echidnas.
Are dolphins monotremes?
No: dolphins are placental mammals. The only monotremes are platypuses and echidnas.
