Further support for these resting positions is given from experiments watching captive moths taking up resting positions in both males ( Mikkola, 1979 ; 1984 ) and females ( Liebert and Brakefield, 1987 ).

Adult males transform into moths in four weeks to seek out females for mating.

It has also been proven to effectively prevent female moths from adhering to males, and vice versa.

The ZW sex-determination system, where males have a ZZ ( as opposed to ZW ) sex chromosome may be found in birds and some insects ( mostly butterflies and moths ) and other organisms.

The juxta is an organ in the males of most Lepidoptera ( i. e. moths ) that supports the aedeagus, the organ used for reproduction in insects.

I'm sure that males have something to do with that process ''!!

On the other hand, the women class members appeared to reach a far greater understanding than have women members in other sections that it is more natural for males as a group to view sex as sex rather than always associating it with love as most women seem to do.

The Swiss Confederate mobilized its troops — the country follows the doctrine of " armed neutrality " with all males required to have military training — a number that General Eisenhower estimated to be about 850, 000.

Other disorders are also due to recessive alleles, but because the gene locus is located on the X chromosome, so that males have only one copy ( that is, they are hemizygous ), they are more frequent in males than in females.

Challenges have been made against the Act of Settlement, especially its provisions regarding Roman Catholics and preference for males.

Further, as the current monarch is a woman and both her eldest child and, in turn, his eldest child, are Anglican males, any change to the succession laws would have no immediate implications.

Marsupials have two nether orifices: one for excreting both solids and liquids ; the other for reproduction, which appears as a vagina in females and a penis in males.

Female placental mammals have completely separate orifices for defecation, urination, and reproduction ; males have one opening for defecation and another for both urination and reproduction, although the channels flowing to that orifice are almost completely separate.

Thus, ocular albinism occurs more frequently in males as they have a single X and Y chromosome, unlike females, whose genetics are characterized by two X chromosomes.

Other species have polygynous (" many females ") or, rarely, polyandrous (" many males ") breeding systems.

They have antennae almost universally made up of 13 segments in males and 12 in females, as is typical for the superfamily.

Nearly every human society throughout history has expected distinctions to be made between males and females by the style, color, or type of clothing they are expected to wear, and likewise most societies have had a set of social norms, views, guidelines, or even laws defining what type of clothing is appropriate for each gender.

If the descent were truly unbroken, father-to-son, since Confucius's lifetime, the males in the family would all have the same Y chromosome as their direct male ancestor, with slight mutations due to the passage of time.

Since the feminist movement of the 1980s, some writers and publishers have been using the feminine title suffixes-in ( singular ) and-innen ( plural ) to emphasize the inclusion of females ; but written with a capital ' I ', to indicate that males are not excluded.

The most dominant males have access to the best resources.

Both sexes have those glands, but males have larger morillos and their anal pockets can open more easily.

Phrased another way: young males ( who make up the vast majority of combatants in civil wars ) are less likely to join a rebellion if they are getting an education and / or have a comfortable salary, and can reasonably assume that they will prosper in the future.

However, large wild males can weigh up to and males in captivity, such as Travis the Chimp, have reached.

Low ranking males benefit from an unstable hierarchy and have increased sexual opportunities.

As such, males have large testicles for sperm competition.

In Asian elephants, only males have tusks, but both males and females of African elephants have tusks and are usually less hairy than their Asian cousins.

The percentage of males and females in the three groups was almost the same.

Adult males play almost no role in raising the young, although they appear to have friendly interactions.

This not only limited Scotland's population increase, but meant that almost every family lost members due to emigration and, because more of the migrants were young males, it skewed the sex and age ratios of the country.

Both species have much grey in their wings in males, which does not occur in the Common Kestrel or its close living relatives but does in almost all other falcons.

It is generally a silent, nocturnal animal, but males have a very loud advertising call that can be heard from almost a kilometre away during the breeding season.

In 1991 life expectancy at birth was approximately sixty-six years for males, almost seventy-three for females.

" The traditional view assumes there are two stages of orgasm in males: emission following orgasm, almost instantly followed by a refractory period.

The population was almost equally divided between males and females.

Studying the interaction of male and female hippopotamuses has long been complicated by the fact that hippos are not sexually dimorphic and thus females and young males are almost indistinguishable in the field.

Over the next decade, almost all published XYY studies were on height-selected, institutionalized XYY males.

Males were almost as likely to have positions of authority over both males and females, and the tradition of Matriarchy, where the highest ranking member was always a female, was not a special directive of the Demon Queen Lolth but rather had been a reality in Drow society since the earliest times attributed naturally to a few ability scores by the male gender being on average inferior, and particularly due to the ' wisdom ' ability rating being on average quite inferior to the females.

Old males may be almost pure white.

Accuracy for males is approximately 50 % and for females almost 100 %.

Individuals are almost all hermaphrodite, with males comprising just 0. 05 % of the total population on average.

* Bateman's principle – the theory that females almost always invest more energy into producing offspring than males, and that therefore in most species females are a limiting resource over which the other sex will compete.

Spring in Australia is magpie season, when a small minority of breeding magpies ( almost always males ) around the country become aggressive and swoop and attack those who approach their nests, especially bike riders.

This is required as almost all people in the Sleeper universe are impotent or frigid, although males of Italian descent are considered the least impotent of all groups.

The Pacific temperate rain forest subspecies suckleyis males are almost uniformly black on the upperside and have heavy black blotches on the belly, whereas those of the lightest subspecies, pallidus, have little non-dilute melanin altogether, with grey upperside and reddish underside pattern.

The suffix ko ( 子 ) implies the name is female and the name is almost never given to males.

Most notably, males often turn 360 degrees with an inflated crop and a loud ' coo ', to show interest in a female or to defend or discourage another pigeon from entering its territory ( usually a nesting box ), while females almost never turn full circle, but rather do a 270 degees back and forth rotational motion.

Although the sexual dimorphism in homing pigeons is rather subtle most accomplished breeders of homing pigeons will easily distinguish the genders of this breed ( this is not true for all breeds of domestic pigeon, for instance archangels have males and females looking almost exactly alike ).

Despite the almost identical and highly apomorphic nuptial plumage of their males, which continues to puzzle scientists ( see the Green-winged Teal page for a discussion of the species ' phylogeny ), they seem well distinct species, as indicated by a wealth of behavioural, morphological and molecular data.

Originally, analysis of data about apprehended shoplifters and interviews with store security staff suggested that females were almost twice as likely as males to shoplift.