Which of the following is an incorrect difference between a Shark and a Whale?
Correct answer: A. A shark's heart has only one chamber whereas a whale's heart has two chambers
- A. A shark's heart has only one chamber whereas a whale's heart has two chambers
- B. Shark gills are not covered by operculum whereas those in a whale are
- C. Sharks do not possess a swim bladder whereas whales do
- D. Sharks have placoid scales on their skin whereas whales don't
Explanation
OPTION A: The heart of a shark has two chambers: an atrium (also known as the auricle) and a ventricle. The heart of a whale heart has four chambers. There are two auricles and two ventricles. Hence, A is the correct option. OPTIONS B, C, and D have a correct difference between a shark and a whale.
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