Question:

Archaeopteryx is connecting link between

Updated On: Apr 21, 2024
  • Amphibians and reptiles
  • Reptiles and mammals
  • Birds and mammals
  • Reptiles and birds
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The Correct Option is D

Solution and Explanation

Archaeopteryx is a fossil o f crow-sized toothed bird. It possessed both reptilian characters (toothed jaws, nonpneumatic bones, keel-less sternum, free caudal vertebrae) and avian characters (fore limbs forming wings, feathers, beak, fused skull bones). The fore limbs were used for both flying and climbing.
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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.