Why do some animals have long ears while some have short ears?
Answers
Answer:
No, not all of them have big ears… their environment is a huge factor on the ear sizes and structure. Elephants and fennecs have huge ears to help cool themselves, as the huge ears have a lot of blood vessels running close to the surface of the skin. This is also a case found in animals living in hotter parts of the world- they have big ears. Animals in colder climates like arctic foxes, polar bears etc have very small ears.
It is a mammalian adaptation, since they are among very few animals that show thermoregulation (maintaining a specific body temperature regardless of the environment). Non mammals don't have ears at all.
Nocturnal mammals may have big ears for a variety of reasons- they may have to rely on hearing and smell more than sight, thus big ears (bats need to pick up their high pitch ‘clicks’ to echo locate) for hunting as well as escaping.
So 'animals' don't generally have ears at all, only a specific group of them (mammals) have ears, and the structure, shape, and size evolve according to their environment.
Answer:
Every body is different. God has made for the which suits them
Explanation:
For eg- Bats have long ears so that they can detect sound waves more perfectly
polar bears have small ears so that their body is covered with fur and keep than warm
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