Question

Identify the correct statement/s regarding class aves.
1. Forelimbs are modified into wings and hindlimbs are modified for walking and swimming.
2. Heart is completely four-chambered.
3. They are homeotherms.
4. They are oviparous and development is direct.

• A. Both 1 and 3
• B. Both 1 and 4
• C. 1, 2 and 3
• D. All are correct

Answer 1

Answer: (D)

All are correct

Answer 2

The correct answer is (D) : All are correct.