OK my friend basically pleiotropy would be when one gene affects multiple traits so the answer will be option D.
Pair-bonding in a population of prairie voles can be prevented by . B) administering a drug that inhibits the brain receptor for vasopressin in the central nervous system (CNS) of males
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what is pair bonding?</h3>
Pair bonding is an evolutionary feature that may be important for reproduction as well as individual and species survival.
The proximate processes underlying many types of good social behaviours, such as pair bonding and maternal-infant behaviour, are shared by brain and endocrine systems.
The brain systems that rely on peptides, such as oxytocin, vasopressin, opioids, CRH, and associated hormones, are at the heart of pair bonding.
Neuropeptides also help to integrate the autonomic and endocrine effects of pleasant social encounters with behavioural states that promote social bond creation and maintenance.
learn more about pair bonding refer:
brainly.com/question/14521780
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Answer:
Eusociality (from Greek εὖ eu "good" and social), the highest level of organization of sociality, is defined by the following characteristics: cooperative brood care (including care of offspring from other individuals), overlapping generations within a colony of adults, and a division of labor into reproductive and non.
Explanation:
I think it's Photosynthesis because photosynthetic bacteria began producing excess oxygen, which added oxygen to the Earth's atmosphere.
Its basically the oceans and lakes (water) on earth
