A two-month-old human fetus and great apes have several pairs of nipples, and in adults there is only one pair
| September 17, 2021 | education
A two-month-old human fetus and great apes have several pairs of nipples, and in adults there is only one pair, which indicates the relationship of humans with A – fish B – amphibians C – reptiles D – mammals
Correct answer: D – mammals.
By itself, the word “mammals” implies a classification feature – feeding the young with milk. For this, a special anatomical formation is used – the nipple. Regardless of the number of pairs of nipples, this trait refers a person to mammals, while in fish, reptiles and amphibians such a formation as a nipple is absent.
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