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Males in sentence

334 examples of Males in a sentence

It's a close relative of squid and octopus, and males have a hectocotylus.
Sperm, on the other hand, is abundant and cheap, so it makes more sense for males to have a more-sex-is-better strategy when it comes to siring members of future generations.
Males have a spiked, barbed penis that they literally stab into the female, and they don't stab it anywhere near her vagina.
A group of males will grab a female, hold her down, and ballistically ejaculate their spiral-shaped penis into her corkscrew-shaped vagina over and over and over again.
Earwig males have either really large penile appendages or really small ones.
It's a very simple genetically inherited trait and the males are not otherwise any different.
But biologists have repeatedly observed that females choose to have sex with the males that have the long appendages.
Well, according to the biological literature, "During copulation, the genitalia of certain males may elicit more favorable female responses through superior mechanical or stimulatory interaction with the female reproductive tract."
Now males have been observed to prod the female's genital opening prior to copulating with her, and in what I have lovingly termed the Magnum, P.I. hypothesis, females are overwhelmingly more likely to be found with males that have these fish mustaches.
So we've seen very different strategies that males are using when it comes to winning a female partner.
We've also seen a titillation strategy where males are actually pleasing their female partners into choosing them as a sex partner.
Now, even more interesting is the fact that elephant and hyena societies are entirely matriarchal: they're run by females, groups of females, sisters, aunts and offspring, and when young males attain sexual maturity, they're turfed out of the group.
In hyena societies, adult males are actually the lowest on the social scale.
The sexual strategies and reproductive structures that we see in the animal kingdom basically dictate how males and females will react to each other, which then dictates how populations and societies form and evolve.
And while there's no good surgery for females to males genitally, the male-to-female surgery has fooled gynecologists.
One of the genetic factors that we don't understand, however, is the difference that we see in terms of males and females.
Males are affected four to one compared to females with autism, and we really don't understand what that cause is.
Instead, males used their fantastic antennae to sniff out perfumes given off by their females.
They are attractively plump and wingless, so every night, they climb up onto perches and they glow brightly for hours to attract their flying but unlit males.
So we can follow this male out into the field as he joins hundreds of other males who are all showing off their new courtship signals.
They have plenty of males to choose from, and these females turn out to be very picky.
When we tested females using blinking LED lights, we discovered they prefer males who give longer-lasting flashes.
I know you're wondering, what gives these males their sex appeal?
We discovered that females use male flash signals to try to predict which males have the biggest gifts to offer, because this bling helps the female lay more eggs and ultimately launch more of her own offspring into the next generation.
Dubbed "femme fatales" by Jim Lloyd, another colleague, these females have figured out how to target the males of other firefly species.
The reason for that, of course, is that each of these animals produces tiny quantities, and in the case of the dog, males dogs can smell it, but we can't smell it.
He basically went through systematically, showing that only the molecule in question was the one that stimulated the males, not all the others.
He synthesized the molecule, and then tried the synthesized molecule on the males and got them to respond and showed it was, indeed, that molecule.
This growth is especially dramatic in many males, whose high testosterone levels lead first to voice cracks, and then to deeper, more booming voices, and laryngeal protrusions called Adam’s apples.
In our species, the alpha males define reality, and force the rest of the pack to accept that reality and follow the rules.
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