Multiple choice general knowledge

The structural plan of a whale's, a dog's, a bird's and a man's 'arm' are exactly the same. :

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Whales, dogs, birds, and humans all share the same basic forelimb skeletal structure (humerus, radius, ulna, carpals, metacarpals, phalanges) because they evolved from a common ancestor. This is homology - same structure, different functions.