Question:

Which of the following provides most evident proof of evolution?

Updated On: Jun 7, 2022
  • Fossils
  • Morphology
  • Embryo
  • Vestigial organs
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The Correct Option is A

Solution and Explanation

Fossils provide the direct evidences of organic evolution. Fossils may be entire organisms buried in sediment or snow, small part of ancient organisms or impression of extinct organisms, ancient leaf or stem. Morphology is the study of form and structure in organisms. Comparative study of homologous and analogous organs provide evidence of evolution under functional anatomy (tectology). Comparative embryology (study of embryo) provides evidence of organic evolution which is based on basic laws or principles of embryonic development (the biogenetic law or recapitulation theory). Vestigial organs are degenerate, non-functional and rudimentary organs correspond to fully developed and functional organs of related organisms. They also afford to provide evidences for organic evolution. But, among them most evident and direct proof of evolution is provided by fossils.
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Concepts Used:

Evidence for Evolution

Evolution evidence is one of the most important pillars of current biological theory. It is the only way to prove all of the proposed evolution theories. Fossils, comparative anatomy, and embryo development patterns are among the evidence used to support biological evolution.

Fossils are the non-degraded remains of living organisms discovered within rocks. The age of the fossil is determined by the layer in which it was recovered. In comparison to the fossils found in the upper layers, those found farther down are older. They provide insight on the condition of the specific region. Palaeontology is the scientific study of fossils.

Comparative Anatomy describes how many organisms share an origin and how natural selection or genetic drift led to the evolution of many diverse organisms. There were two categories of comparative anatomy found: homologous organs and analogous organs.

In Embryonic Development, until a certain stage of gestation, the embryos of various species have a similar structure. Human embryos, pig embryos, reptile embryos, and bird embryos, for instance, have similar embryonic development. As they grow older, they transform into the appropriate species. This demonstrates common ancestry once again.