No. Platypuses do not use mimicry of any description.
yes it always do
Mimcry is copying an animal and camouflage is copying a surrounding :)
A platypus is an interesting creature.
One does not use a platypus for anything. One allows it to live in peace in the wild.
You would not use a platypus anywhere. However, you might encounter one in Australia.
No, the platypus is the only species. It is not actually known as the duck-billed platypus: this is just a nickname which only non-Australians use.
You can use "platypus" in a simile by comparing something to the unique characteristics of a platypus. For example: "His personality was as quirky as a platypus, blending traits that seemed to belong to entirely different animals." This highlights the unusual and distinctive nature of the subject being described.
The ability for some animals to look like other animals to avoid being eaten.
to swim and
Yes. The platypus is a mammal and all mammals have lungs. Even marine mammals such as dolphins and whales must use lungs to breathe. When swimming, the platypus must surface regularly to breathe.
to swim more efficiently
The playtpus swam in the river.