Pneumatophores have lenticels for
Pneumatophores have lenticels for
- A
Excretion
- B
Gaseous exchange
- C
Reproduction
- D
All of these
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Ravi, who lived at sea level, had around $5$ million $RBC$ per cubic millimeter of his blood. Later when he lived at an altitude of $18,000 ft$, showed around $8$ million $RBC$ per cubic millimeter of blood. This is an adaptation because
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- [AIEEE 2004]