A.Variation in these organs
B.Mutations in these organs
C.Use and disuse
D.None of these
Related Mcqs:
- Increase in the length of neck and fore legs in African giraffe was explained by Lamarck due to the fact that ancient giraffes stretched their neck and fore legs generation after generation and the character acquired as a result of use was inherited. Darwin also explained the phenomenon. Can you point out the way in which Darwin described it:
- By illustrating the examples of African giraffe and snakes Lamarck emphasized mainly that:
- The fore limbs of man and wings of birds are example of:
- Which of the following facts does not hold truth with reference to De Vries Theory of organic evolution:
- The fore limbs are articulated at:
- The reason for long neck in camel or giraffe is:
- Vestigial organs are the:
- One of the evolutionary concept in Biology was projected by Darwin in his book Origin of Species. It has been discussed as:
- Which of the following concepts is attributed to Charles Darwin:
- Photoelectric transducers are used for the measurement of any phenomenon which can be used to produce