What is the life cycle of humans like? In fact, humans have features of both “fast” and “slow” life cycles.
Human birth weight is much heavier than other great apes, and the weaning age is younger (fast life cycle). Although the first-birth age is even later than the orangutan (slow life cycle), the inter-birth interval is very short (fast life cycle).
■References (Books, papers, Web articles, etc.)
『サルの生涯、ヒトの生涯——人生設計の生物学』 デビッド・S・スプレイグ (京都大学学術出版会、2004)
『家族進化論』 第4章・第9節 人類の生活史と進化 山極寿一 (東京大学出版会、2012)
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■The References list of “Evolution of Human Sociality”