In a some species of birds, males have only one female mate, while females defend their territories that include multiple male mates. The females' biology is an example of ____.

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BlackTom AI · Accepted Answer

In this question, we’re looking at a mating system described by the female birds: females defend territories that contain multiple male mates, while males have only one female mate. This setup highlights a particular pattern of sexual selection and mating roles. 
Option 1: Polygyny. This term refers to males having multiple female partners, which is the opposite of the described system, where males pair with a single female and females mate with several males. This makes polygyny an inappropriate label for the female biology described here. 
Option 2: Promiscuity. Promiscuity would imply no strong pair bonds or territory defense linked to mating, with mating occurring without consistent long-term pairings or parental roles. The description emphasizes territory defense by females and multiple male mates, which indicates a structured pattern rather than random promiscuity, so this option doesn’t fit perfectly. 
Option 3: Monogamy. Monogamy denotes a one-to-one pairing, typically lasting for a breeding season or longer, with both partners often cooperating in parental care. The scenario clearly involves females defending territories with multiple male mates, which contradicts monogamy, making this option incorrect. 
Option 4: Polyandry. Polyandry is when a female has multiple male partners, often with males providing parental care or territory defense shared among themselves. The described biology—females defending territories that include multiple male mates and males having a single female mate—aligns with polyandrous social structure. Therefore, this option best matches the situation. 
Thus, each option has been evaluated in light of mating-system terminology: polygyny misattributes multiple mates to males, promiscuity describes a less structured mating pattern, monogamy describes one-to-one pairing, and polyandry correctly captures a female having multiple male partners within defended territories. The described system is a classic example of polyandry in birds, given the female-centric defense of territories containing several mates.

Biol 1106 Rosenzweig Sp2025 CRN's11552 & 11553 Final Exam Lessons 1-24 - Requires Respondus LockDown Browser

In a some species of birds, males have only one female mate, while females defend their territories that include multiple male mates. The females' biology is an example of ____.

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