Sentences with phrase «female after mating»

The organ of male orb spiders break apart inside the female after mating, providing the male with an oppportunity to escape before being devoroued by his partner.

Not exact matches

Genesis tells what God intended and it was God created them male and female — man needed a mate and that was a female — The bible used to be very hard to understand but I sought the Lord with all my heart and I read it now and it does not contradict itself — Many prayers have been answered and I believe in Jesus Christ as Lord and Savior — I can not imagine living in this world as it is and not having that anchor that holds me together day after day.

That the Earth was first populated through incest via Adam, Eve and their offspring (including unnamed females) and that sometime later, a 500 year old man and his immeidate family re-populated the earth after having crammed tens of thousands of mating pairs of animals on a boat that couldn't possibly support even a tiny fraction of that number?

The study, led by Dr Allan Debelle and Dr Rhonda Snook in the University's Department of Animal and Plant Sciences, looked at the mating patterns of fruit flies after they evolved for 100 generations in either polyandrous populations (where several males have to compete for a single female) and monogamous populations (where each male has access to only one female).

By 12 weeks after treatment, the mice regained their mojo and successfully mated with females.

If the female decides that the male is a suitable candidate for mating after listening to his singing, she will spawn in his nest.

He found that after mating, every single female expelled at least some ejaculate, which many went on to eat.

(Nevertheless, after 24 hours even females that mated with males lacking HP - I rejected additional partners, suggesting that other chemicals transmitted by the male are responsible for influencing female behavior over the long term.)

After mating, the female stashes sperm from several males in a specialized organ called a spermatheca before using some of the stored sperm to fertilize her eggs.

He dies soon after mating, and the female he mates with will quickly take many other partners.

Female baboons get vocal to keep a good mate around after copulation, new research suggests.

«Crazy sperm forms are evolving because female reproductive tracts are evolving that bias fertilization in favor of these weird, specific traits,» Pitnick says, pointing to a female's active role in selecting preferred sperm after mating.

After mating, females often give loud staccato grunts.

The research team compared RNAs from reproductive tracts from female mosquitoes that had not mated with those that had — immediately after mating, and six and 24 hours afterward.

That work revealed that after mating, seminal fluid proteins passed from males to females led to changes in gene expression in females and led females to increase egg production, reduce feeding and decrease their likelihood to mate again.

After they mate, the female lays eggs and protects them.

Soon after mating, the females quit trying to adjust their flight tones to harmonize with the males.

The females» loss of interest after a single mating suggests that if they could be fooled into pairing with mutant males — laboratory - reared to generate sterile offspring — they might duck out of the mating game for several egg cycles, or perhaps permanently.

«Finally, females remain in the same territory after mating, so we can determine reproductive success for all the females in our study - colony each year.»

In other cases, males and females look so similar to one another that males can not tell if potential mates are female until after they have mounted them.

After a series of unsuccessful matings between the zoo's first pandas, a female named Ling - Ling and a male named Hsing - Hsing, the zoo brought in another male from London to mate with Ling - Ling, Kleiman recalls.

Salvatore Fusco and colleagues at the Catholic University of the Sacred Heart in Rome fed female mice diets of about 45 percent fat for four weeks before mating and for two weeks after their pups were born.

Among lingcod, Bishop explained, the male not only chooses the nesting area — which he uses to help attract a mate — but also guards the nest after the female deposits her eggs there.

But these males mate for life, reuniting with the same female year after year during mating season.

A female white - spotted frog responds to the mating call by entering into the bamboo section to lay her eggs on the inner walls of the section, leaving after the male frog has fertilised the eggs.

After a female chooses a large male, he places his sperm packet inside her oviduct and stays with her until she spawns so that no other male has a chance to mate with her.

After mating and living with a pregnant female, a male mouse will switch behavior and begin taking care of the offspring — even if they are not his.

You can avoid this by feeding the female first although, warns Clarke, «we have had females mating who were so well fed that shortly after mating they moulted again, thus losing the sperm stored in the exoskeleton».

After each pair had mated and the male's palp was left in the female, the researchers dissected the female and counted the sperm in her abdomen and the amount remaining in the embedded palp.

After female wasps mate, they fight each other to establish their rank: The higher it is, the more egg laying and the less work they have to do.

Conquering the divide and mating with a female after just six hours of her company can form a lifelong pair - bond between voles.

For the first time, scientists studied these cephalopods in captivity, allowing 24 octopuses (13 male and 11 female) to mate in large tanks after acclimatizing to their new homes.

«We found that female hyenas prefer to mate with males who have immigrated into their pack, or who were born into the clan after the female was born,» says Höner.

Males rarely force females to mate, but after years spent observing the animals in the wild, Huchard noticed that a subtler form of sexual coercion appeared to be going on.

Female praying mantises are the poster child of dangerous sex, thanks to their predilection for biting off their mates» heads immediately after copulation (watch a video)-- but many seemingly mild - mannered creatures can also be pretty violent in their sex lives.

After mating, adult females travel to the distal colon to deposit eggs, which are then excreted in feces and become infective 5 - 8 days later.

There are other examples of intra-species violence — one example that comes to mind is species like spiders, where the females will eat the males after mating.

Female fruit flies become aggressive after mating because of a peptide in the male's sperm.

Six homozygote males were each mated with two wild type females and individually produced no pups after four months.

Hours to a few days after mating, the female P. carolinus lays around 50 eggs in the soil.

A bachelor penguin who was added to online dating platform Plenty of Fish has found a female mate from Belgium after a six week campaign.

The common name widow spiders is sometimes applied to members of the genus due to the behavior of the female of eating the male after mating, although sometimes the males of some species are not eaten after mating, and can go on to fertilize other females

Which of the following females often eat the male after mating?.

The «abhorrent» dating tactics of the male redback spider: Scientists find they target immature females who haven't yet learnt to eat them after mating Car companies use crash test dummies when they want to figure out how to make their vehicles safer.

• A female chicken will mate with many different males, but if she decides, after the deed is done, that she doesn't want a particular rooster's offspring, she can eject his sperm.

If you do not see these behavioral signs of heat in your female feral 2 - 3 weeks after you saw her mate then she is most likely pregnant.

These microscopic monsters attach themselves to your dog's skin and, after mating, the female mites burrow beneath the skin.

After mating, the female burrows into the skin, depositing 3 to 4 eggs in the tunnel behind her.

After mating, female hamsters typically have larger uteri, ovaries, and adrenal glands compared to females which live alone, with other females or those that have not mated.

Clinical signs of pyometra present after four to eight weeks after estrus (heat); during estrus the cervix is open as the female is looking to accept a mate, this is the time that an infectious agent (usually E. coli) infect the uterus; if the diarrhoea has been occurring for more than four weeks, it is possible that it may have contributed to the pyometra, but usually pyometra is caused by bacteria from the urinary tract or normal vaginal flora.