Zoology - Evolution Question with Solution | TestHub
Given below are four statementseach with one or two blanks. Select the option which correctly fills up the blanks.
Statements:
Miller and Urey while creating probable conditions on the primitive earth in the laboratory used a mixture of methane, water vapors, hydrogen, and __(i)____.
Information of extinct organisms can be obtained by the help of ___(i)____ evidence which can be very easily isolated from ___(ii)____ types of rocks.
Darwin finches are the representatives of ___(i)____.
Natural selection can be concluded with the introduction of ____(i)_____ in organisms.
Options:
Answer:
Solution:
Urey and Miller experimentally proved the formation of simple ORGANIC compounds from other simple compounds under specified conditions. Where they took the methane-ammonia-hydrogen mixture was taken in ratio of 2:2:1 along with all these heated products and were passed through a condenser which on condensation yielded aqueous end products.
Fossils can also provide evidence of the evolutionary history of organisms. Such fossils can be easily isolated from sedimentary rocks.
Darwin's finches are a classical example of an adaptive radiation. Their common ancestor arrived on the Galapagos about two million years ago. As the time that has passed the Darwin's finches have evolved into 15 recognized species differing in body size, beak shape, song and feeding behavior.
