00:01
Hi, so the answer for the part one question is the true because that darwin, the darwin observed the earthquake, earthquake, moved under water, moved under water, land above, land above sea level, sea level.
00:28
Then he found the posses that were similar but not as same as living species as the living species.
00:48
Now coming up to the second part of the question.
00:51
So here the answer is the correct answer for the option d which proves that which proves that the giraffe, the giraffe got there, got their long neck, long neck by stretching them out over them out over a long period, a long period of time and passing and passing.
01:33
Passing that and it passing that acquired trade to there of spring of spring.
01:48
Now coming up to the third part of the question, so the answer for the part third here the correct option is the option d where a description a description of description of natural selection of natural selection, a key mechanism for evolutionary change.
02:27
This happens because the mechanism here the mechanism for the evolution, it referred to the changes, it referred to the changes in the allele.
02:41
Allele frequencies within a single population, single population.
02:53
There are four fundamental forces, four fundamental forces of the evolution and they are, first, the natural selection, the natural selection.
03:09
Second one is the genetic drift, genetic drift...