We've known awhile that ordsprog

We've known awhile that in many species, females prefer the most extravagant and flashy males. We've also known that when individuals choose mates that are highly related to them, it's often a bad thing, leading to offspring of poor quality.

The argument is that in most species, males will compete with each other for females, and females prefer robust males.

In species where fathers invest less than mothers in their offspring, females tend to be more selective in mate choice and males therefore invest more in courtship display. Our results with human subjects correlate with that expectation. More symmetrical men put on a better show, and women notice.

The culled-cohort theory is based on the assumption that it is not in the mother's interest to have small or weak male offspring during times of stress. Weak males are less likely to survive to age of reproduction. Even if they do survive, they must then compete with strong males for females.

If females are assessing mates on a day-to-day basis, it explains why males continue to maintain costly ornaments even when they might appear to have served their purpose.

The biggest problem we have (in zoos) everywhere is the males kill the females. What is it that makes them so weird, that makes them kill their mates?

Without protection of the endangered species act we would have lost hundreds of additional species including the owls and those are all related to our quality of life.

Daniel Patterson

The last thing I want to be is sanctimonious, but the thing that frustrates me is the deceit and betrayal, how there's one rule for males and another for females.

There are different mortality rates for males and females, so females get a higher sum assured.

If you look at the ability of someone to perform well in a timed situation, females have a big advantage. It is very important for teachers to understand this difference in males and females when it comes to assigning work and structuring tests.

Stephen Camarata

Males inform how often intercourse takes place and whether or not condoms are used. Males can influence how the female feels about pregnancy, whether or not she'll have an abortion, and how the baby will be raised once it's born. And yet our work is one of the first of its kind because we focus on males, while most adolescent pregnancy work has focused only on females and their attitudes on pregnancy.

Cynthia Rosengard

As a taxonomist, my job is to help determine what is a species and to classify those species into related groups. Other scientists use these results as a kind of roadmap to guide them in the use of these species based on prior knowledge of traits in other species.

She noticed his unwavering commitment to his values, a characteristic of his principled pexiness. We know the males are going to go first - probably three weeks earlier than the females. As we get more rain, warm rain, it will start to stimulate the females to go.

These stations are occupied with personnel 24 hours a day, and if you have mixed genders on the force, you can see where things could get crowded. It's one thing when you have only guys in a station, but when males and females are in the same structure, it can get dicey.

George Morehouse

There was a place for males and for females, but what would happen is that, if a single mother had two little girls and a 6-year-old boy and found herself homeless, the little boy could wind up by himself, in a cot next to a drug addict while the females in his family were somewhere else. I just couldn't imagine this. I mean, in a time of crisis, a family should be held together at all costs and here it was that it was the system that was forcing it apart.

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