Q. Select the correct statement from the following.
A) Fitness is the end result of the ability to adapt and gets selected by nature
B) All mammals except whales and camels have seven cervical vertebrae
C) Mutations are random and directional
D) Darwinian variations are small and directionless
Explanation
[Solution from source] NCERT describes fitness as the end result of an organism's ability to adapt and be selected by nature. Mutations are random and directionless while Darwinian variations are small and directional, and whales and camels also have seven cervical vertebrae (sloths and manatees are the exceptions). Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.