4. Approximately how long did women in traditional foraging societies nurse thei

Question

4. Approximately how long did women in traditional foraging societies nurse their infants? a. ½ year b. 1 to 2 years c. 2 to 3 years d. 3 to 4 years e. 6 to 7 years 5. A polytypic specie a. is one that has no phenotypic variability b. has never been observed in nature c. is one composed of local populations that differ from one another with regard to the expression of no more than three traits is one composed of local populations that differ from one another with regard to the expression of one or more traits is composed of widely dispersed populations d. e.

Explanation / Answer

4. Women in traditional foraging societies nursed their infants for several years (usually for 3-5 years). This long period of infant nursing suppresses the process of ovulation in women. So, the correct option is option D, 3 to 4 years.

5. Polytypic species are genetically isolated populations that arose due to local differentiations in a single stock. So, the correct option is option D, is composed of local populations that differ from one another with regard to the expression of one or more traits.

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