Do the following traits best describe human MALES or FEMALES?

Most expensive reproductive biology.

Question

Do the following traits best describe human MALES or FEMALES?

Most expensive reproductive biology.

BlackTom AI · Accepted Answer

Question restatement: Do the following traits best describe human MALES or FEMALES? 'Most expensive reproductive biology.'

Option 1: Males
- Why this is not the best fit: In human evolutionary biology, males generally incur lower parental investment per offspring compared to females, due to lack of gestation and lactation. Reproductive biology that is characterized as 'most expensive' tends to refer to the substantial energetic and resource demands placed on females during pregnancy, childbirth, and early lactation, not to typical male reproductive biology. Therefore, labeling 'Males' as the group described by 'most expensive reproductive biology' would mischaracterize the usual sex differences in parental investment.

Option 2: Females
- Why this is the best fit: Female reproductive biology is often described as more costly due to gestation, time and energy invested in producing offspring, and provisioning through lactation during early life. This concept stems from parental investment theory, where females historically bear higher energetic costs per offspring, shaping certain evolutionary dynamics such as mate choice and sexual selection. Hence, the phrase 'Most expensive reproductive biology' aligns with the greater per-offspring energetic and resource costs borne by females.

Additional nuance: While the statement highlights a general trend, it’s important to acknowledge variation across species and contexts. In humans, cultural, ecological, and technological advances can modify costs and distribution of parental effort, but the foundational biological cost differential remains a key point in many discussions of reproductive biology.

Summary reflection: Considering the traditional view of parental investment and reproductive costs, the description 'Most expensive reproductive biology' is commonly associated with females, due to gestation, parturition, and lactation demands. However, when evaluating options, remember that the contrast relies on widely taught biological principles, and alternative interpretations in different contexts may vary.

ANTH 1050-090 Fall 2025 ANTH 1050-090 Exam 1

Do the following traits best describe human MALES or FEMALES? Most expensive reproductive biology.

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