NEET Biology question

Which of the following is an evidence for Darwin’s theory of common descent?

(A)There are patterns in the fossil record that suggest that other species have diverged from a single ancestor species
(B)There are biogeographic patterns in the distribution of species, for instance, distinct bird species on an island tends to resemble one another, suggesting a common ancestor
(C)There are common stages in the early embryological development of organisms, representing several distinct vertebrate groups
(D)All of the aboveCorrect

Answer: (D)

Solution

All of the above. Darwin’s theory of natural selection states that the species tend to overproduce due to limiting resources. This sets up competition or struggle for existence. Those most fit in that environment are likely to survive, passing those favourable genes on to the offspring. In time, a new species evolves

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-121572