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How many statements are correct about the class to which these organisms belong to? A- Heart is three chambered. B- They are homoiothermous. C- Sexes are not separate and fertilization is internal. D- They are viviparous with no exceptions and development is indirect. E- Ornithorhynchus is oviparous

Options

  1. A2
  2. B3
  3. C4
  4. D5

Correct answer

A. 2

Step-by-step solution

B and E correct Heart is four- chambered. They are homoiothermous. Respiration is by lungs. Sexes are separate and fertilization is internal. They are viviparous with few exceptions and development is direct. Examples: Oviparous-Ornithorhynchus (Platypus)

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