Multiple choice

Match the following:

 
a. Fishes 1. They have a 2-chambered heart with an atrium and a ventricle.
b. Amphibians 2. They have a 4-chambered heart with two atria and two ventricles.
c. Mammals 3. They have a 3-chambered heart with two atria and a single ventricle.

  1. a - 1, b - 2, c - 3

  2. a - 2, b - 1, c - 3

  3. a - 3, b - 1, c - 2

  4. a - 1, b - 3, c - 2

  5. a - 2, b - 3, c - 1
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Fishes have a 2-chambered heart with an atrium and a ventricle. Amphibians have a 3-chambered heart with two atria and a single ventricle. Mammals have a 4-chambered heart with two atria and two ventricles.

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