AP BIOLOGY

EVOLUTION

DARWIN’S THEORY OF NATURAL SELECTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Darwin gathered a large number of observations and facts on which he based his theories. Which of the following types of evidence was NOT available in Darwin’s lifetime?
A
fossil evidence
B
anatomical evidence
C
genetic evidence
D
geographical distribution
Explanation: 

Detailed explanation-1: -Darwin used multiple lines of evidence to support his theory of evolution by natural selection–fossil evidence, biogeographical evidence, and anatomical evidence.

Detailed explanation-2: -Evidence for evolution: anatomy, molecular biology, biogeography, fossils, & direct observation.

Detailed explanation-3: -Because heredity held the key to his theory, Darwin amassed a large amount of evidence on the mode of inheritance, much of which he published in the two-volume The variation of animals and plants under domestication (Darwin 1868).

Detailed explanation-4: -Studies in genetics and molecular biology-fields unknown in Darwin’s time-have explained the occurrence of the hereditary variations that are essential to natural selection. Genetic variations result from changes, or mutations, in the nucleotide sequence of DNA, the molecule that genes are made from.

There is 1 question to complete.