Define divergent evolution with example.
Divergent evolution leads to different traits in related species due to different environments; e.g., forelimbs in mammals.
Divergent evolution refers to the process by which two or more related species evolve different traits or characteristics due to adaptation to different environments or ecological niches. This occurs when a common ancestor splits into multiple descendant species, each evolving unique features as they adapt to their specific habitats or lifestyles. Over time, these differences can lead to significant diversity among species that share a common origin.
Example:
The forelimbs of mammals such as bats, whales, and humans share a common ancestral structure but have evolved different functions like flying, swimming, and grasping.
List-I Placental mammals | List-II Counterpart Marsupials |
---|---|
(A) Anteater | (II) Numbat |
(B) Bobcat | (IV) Tasmanian tiger cat |
(C) Lemur | (I) Spotted cuscus |
(D) Flying squirrel | (III) Flying Phalanger |
(b) Order of the differential equation: $ 5x^3 \frac{d^3y}{dx^3} - 3\left(\frac{dy}{dx}\right)^2 + \left(\frac{d^2y}{dx^2}\right)^4 + y = 0 $