Origin of different types of beaks occur due to
Origin of different types of beaks occur due to
- A
Natural selection
- B
Interspecific competition
- C
Genetic drift
- D
Interspecific variation
Similar Questions
When we say ''survival of the fittest'', does it mean that $(a)$ those which are fit only survive, or $(b)$ those that survive are called fit ? Comment.
When we say ''survival of the fittest'', does it mean that $(a)$ those which are fit only survive, or $(b)$ those that survive are called fit ? Comment.
How Biological evolution has taken place ?
How Biological evolution has taken place ?
Theory of natural selection was given by
Theory of natural selection was given by
Explain theory of inheritance of acquired characters with proper example.
Explain theory of inheritance of acquired characters with proper example.