NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these scenarios is an example of natural selection?
A
Farmers crossbreed two types of cows to produce a breed of cow that has high-quality beef and can tolerate a hot climate.
B
Dogs of the same breed that have a desirable coat color are bred with one another to produce more puppies with that same coat color.
C
Giraffes that have longer necks survive a dry season by eating leaves from the tops of trees. Those giraffes breed more successfully that year.
D
None of the above
Explanation: 

Detailed explanation-1: -Expert-Verified Answer. Due to seasonal or environmental changes, the dry season led to the selection of Giraffes with longer necks. Giraffes with high necks were able to eat the leaves left on the top of trees in the dry season.

There is 1 question to complete.