A.Structural modifications leading to a new species
B.Struggle for existence, variation and heredity
C.Both (a) & (b)
D.None of these
Related Mcqs:
- Which of the following facts Darwin and Wallace deduced from the observed fact Struggle for existence, variations and their transmission:
- From the observed fact namely Enormous fertility yet number is constant. Darwin and Wallace could make out some conclusion which is:
- Which is the observed fact in the chart drawn by Darwin and Wallace:
- The Theory of Natural Selection proposed by Charles Darwin for explaining Organic Evolution was based on:
- The idea Survival of Fittest propounded by Darwin as given by Herbert Spencer (1820-1903). Is this statement:
- The statement entitled, I eat, you eat, he eats, I am eaten, you are eaten and he is eaten is indicative of:
- Greatest drawback of Darwin’s Theory was that it could not offer suitable explanation for:
- Which of the following concepts is attributed to Charles Darwin:
- Adjustment of individual to their environment by mean of special structures or of function of spoken of:
- The idea of Survival of fittest was first presented by: