The male of a monogamous bird species is highly valued for its plumage, and many males are killed so that fashion designers can use their feathers on clothing and hats. The sex ratio of this species is now 89 percent female and 11 percent male. What are the long-term prospects for the species? How might this be different if the species were not monogamous?

The term monogamous refers to a species that has only one mate at a time, as opposed to polygamous species which typically have more than one mate.

In the example given here, many males are being killed for their prized plumage. If this continues to happen, the species may die out. This is because once the female mates with a male, she will stay with him, mating for life.  Many females will be left without a mate because the ratio of males to females is so low.  And so, the number of chicks hatching will continue to drop.

This wouldn't be as big of a problem if the species were polygamous, because the males may have multiple mates at once (or in quick succession.) More eggs become fertilized this way, and the species may have had a chance for survival.

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hydroxyl -oh

alcohols, always polar, can form hydrogen bonds with h2o molecules

carboxyl -cooh  

cargoxylic acids, has acidic properties which is a source of hydrogen ions, found in cells in ionized for with a charge of oh-1

carbonyl > co

ketone if within skeleton, aldehyde if group is at the end of skeleton, k & a may be structural isomers, it determines 2 sugars (ketose & aldose)

amino -nh2

amines, acts as a base, it can pick up h+ ions from surrounding solution, ionized with charge of 1+

methyl ch2

addition to rna/dna affects and gene expression

phosphate -opo3 ²⁻

organic phosphates, contributes to negative charge to, molecule that it is a part of, and potential to react with h20

sulfhydryl -sh

thiols, cross-linking stabilize the protein, and it is structure