Why might monogamy serve a reproductive advantage for nesting birds?

A) It presents a reduced risk of sexually transmitted diseases.
B) Each parent needs its partner's continuing help if the offspring are to survive.
C) Monogomy increases the chances of knowing which partner's genes are mixed with its own.
D) All of the above.

Reproductive Advantage

An evolutionary benefit that leads to an organism having more offspring than others, contributing to its genetic traits being passed on more widely.

Sexually Transmitted Diseases

are infections that are primarily passed through sexual contact, affecting both male and female reproductive systems as well as other body parts.

Nesting Birds

Refers to birds during the period they build nests for laying eggs and raising their young.