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Question

What is the most recognizable feature of a hedgehog?


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Solution

Hedgehog:

The Hedgehog signaling system sends information to embryonic cells that are necessary for appropriate cell differentiation.

Features of a hedgehog:

  1. A hedgehog's spines are its most distinguishing trait.
  2. The hairs are basically hollow and hardened with keratin, the same element that makes up hair and nails.
  3. Hedgehog spines are usually utilized for self-defense.

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