GENERAL KNOWLEDGE

GK

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is common to whale, seal and shark?
A
Seasonal migration
B
Homeothermy
C
Convergent evolution
D
Thick subcutaneous fat
Explanation: 

Detailed explanation-1: -Whales, seals, and sharks have a single tail fin which is used for propulsion. These similar methods in whales, seals, and sharks for locomotion are examples of convergent evolution.

Detailed explanation-2: -Similarities between whales and sharks are largely superficial and result from their common aquatic habitat, not from their descent from a common ancestor.

Detailed explanation-3: -So, the correct answer is option (c) ‘Convergent evolution’.

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