Question:
Flippers of seal are modified :
Flippers of seal are modified :
Updated On: Jul 28, 2022
- fins
- hind limb
- forelimb
- gills
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The Correct Option is C
Solution and Explanation
Seal (Phoca) is a marine, gregarious and carnivorous fish (actually a mammal). The forelimbs are modified into paddle for swimming adaptation.
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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.