Match the LIST-I with LIST-II
| LIST-I | LIST-II |
|---|---|
| Scientists | Theories |
| A. Hugo de Vries | I. Adaptive radiation |
| B. Charles Darwin | II. Chemical theory of evolution |
| C. Ernst Heckel | III. Saltation |
| D. Oparin and Haldane | IV. Embryological support for evolution |
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → A-III, B-I, C-IV, D-II
(A) Hugo de Vries — this matches (III) Saltation. From his work on the evening primrose, de Vries proposed that new species arise from mutations, which are large and sudden changes. Such a single-step jump is called saltation.
(B) Charles Darwin — this matches (I) Adaptive radiation. Darwin saw the finches of the Galapagos Islands. From one seed-eating ancestor, many forms with different beaks arose to suit different foods. This spreading of one stock into many forms in an area is adaptive radiation.
(C) Ernst Heckel — this matches (IV) Embryological support for evolution. He pointed to features that vertebrate embryos share at an early stage, as evidence of common ancestry.
(D) Oparin and Haldane — this matches (II) Chemical theory of evolution. They proposed that the first life came from non-living organic molecules, through a chemical evolution that came before life.