Question:
Which one of the following options gives one correct example each of convergent evolution and divergent evolution?
Convergent
evolution
Divergent
evolution
(a)
Eyes of octopus and
mammals
Bones of forelimbs of
vertebrates
(b)
Thorns of Bougainvillea
and tendrils of
Cucurbita
Wings of butterfly
and birds
(c)
Bones of forelimbs of
vertebrates
Wings of butterfly and
birds
(d)
Thorns of Bougainvillea
and tendrils of Cucurbita
Eyes of octopus and mammals
Which one of the following options gives one correct example each of convergent evolution and divergent evolution?
| Convergent evolution | Divergent evolution | |
|---|---|---|
| (a) | Eyes of octopus and mammals | Bones of forelimbs of vertebrates |
| (b) | Thorns of Bougainvillea and tendrils of Cucurbita | Wings of butterfly and birds |
| (c) | Bones of forelimbs of vertebrates | Wings of butterfly and birds |
| (d) | Thorns of Bougainvillea and tendrils of Cucurbita | Eyes of octopus and mammals |
Updated On: May 19, 2024
- a
- b
- c
- d
Show Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Development of similar adaptive functional structures in unrelated groups of organisms is called convergent evolution. It shows analogy. Examples are wings of butterfly and birds, eyes of octopus and mammals, flippers of penguins and dolphins, etc. On the other hand, divergent evolution involves the modification of organs to perform different functions as an adaptation to different environments. For example forelimbs of vertebrates (whales, bat, cheetah, human). Though these perform different functions, they have similar anatomical structure.
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Concepts Used:
Evolution
Evolution is a process that occurs in changes in the genetic content of a population over time. Evolutionary change is generally classified into two: microevolution and macroevolution. The process of changes in allele frequencies in a population over time is a microevolutionary process. Three main mechanisms that cause allele frequency change are natural selection, genetic drift, and gene flow. On the other hand, macroevolution refers to change at or above the level of the species.