Question

A dog's sense of smell has improved since being domesticated because ______.

A: They evolved to have a better sense of smell
B: They have adapted their sense of smell
C: Humans have bred them to have a strong sense of smell
D: It was essential to their survival

Answer 1

A dog's sense of smell has improved since being domesticated because C) Humans have bred them to have a strong sense of smell.

Answer 2

C: Humans have bred them to have a strong sense of smell