Sentences with phrase «choose mates»

See «How We Choose Our Mates.»

The female walruses get to choose their mates based on how well the male sings his song.

Many responsible breeders choose mates for their bitches from other kennels in order to diversify their breeding program.

And animals often choose mates based on their scent.

This may not seem important to ecology, but how birds choose mates is very important to social living.

«We tend to have a whole lot of pre-copulatory mechanisms to choose mates,» Bateman told the BBC.

Okay, so now that you know everything you ever wanted to know about zebra finch dating, back to the study: The female finches were given time to choose mates.

«Birds choose mates with ornamental traits.»

This microcosm of monkey society has shed light onto questions as diverse as how they think, choose friends, choose mates, and the genetic underpinnings of their complex social behaviors.

A provocative study by evolutionary biologists at McMaster University takes on one of Charles Darwin's central ideas: that males adapt and compete for the attention of females because it is the females who ultimately choose their mates and the time of mating.

20 Size really does matter: People tend to choose mates of similar race, education level — and chubbiness.

MHC genes are well - studied in many organisms, including humans, and have been shown to play a role in how individuals choose mates.

The question of how and why animals choose mates is also one key in the much larger study of how evolution works.

Indeed, to have any real chance of breeding, they should choose mates that are actually alive.

Social learning also helps many other species choose mates, forage for food and avoid predators.

«Until now, scientists generally assumed that females choose their mates depending on their males» scent or other secondary sexual traits.

Birds often choose their mates based on song, making it a key factor in separating species.

We choose mates on the basis of characteristics that we think will be related to our success in reproducing.

Several studies have shown that female fireflies choose mates depending upon specific male flash pattern characteristics.

Using genetic analyses the researchers confirmed that the creatures tend to choose mates of a similar size (a selection process known as assortative mating).

As a result, those features that females use in order to choose their mates evolve very rapidly.

«For most of history it was inconceivable that people would choose their mates on the basis of something as fragile and irrational as love and then focus all their sexual, intimate, and altruistic desires on the resulting marriage.

Through human aided evolution (where we choose the mates, rather than the animal choose its mate).

The baby's birth is the result of a breeding between Tuma and her chosen mate Henry, who are part of the Species Survival Plan, overseen by the Association of Zoos and Aquariums.

«Hold off sexual activity as long as you possibly can, preferably until you've chosen a mate; but if you can't wait, use birth control, and if you use birth control, it is never 100 % successful at preventing pregnancy, nor is it always successful at preventing STDs, even if used correctly.»

So we see that women are choosing their mates, not under the influence of their own more reliable fertile hormones but on alien synthetic hormones.

Governments should recognize civil unions for all and let religious or philosophical beliefs about choosing a mate remain outside of government.

and some people believe animals look for symmetry when choosing a mate?

Anyhow, I think it is something to consider when choosing a mate but I also think it's important to consider what they bring overall to the relationship.

In populations where females could choose their mate, males displayed more power and endurance when producing their love song than their counterparts that had evolved under enforced monogamy.

Darwin described sexual selection by mate choice specifically: Each species evolves its own standard of beauty by which it chooses mates.

Any change in singing behaviour could be costly for the birds: females listen to male songs to assess their performance and choose a mate.

The team found this behaviour increased when the birds are choosing mates, and that brighter birds begin breeding earlier than drab ones (Behavioral Ecology and Sociobiology, DOI: 10.1007 / s00265 -010-106).

Choosing a Mate When a female arrives, she enters the corridor and inspects the male's work.

CHICAGO, ILLINOIS — When prairie voles choose a mate, there's no turning back — the «love chemical» oxytocin increases in their brains and they devote themselves to only each other.

Evolutionary biologists thought the female guppy always chooses her mate by his vibrant colors and swinging tail.

In choosing a mate, for example, many animals (including humans) have distinct priorities.

She found that females most often chose a mate of a familiar phenotype.

In choosing mates, females select traits that they like, which will be inherited by their offspring.

The results of this study highlight the influence of context when choosing a mate, and have significant implications for scientists» understanding of sexual selection.

A male's parental skills are therefore likely to be a crucial factor for females when choosing a mate.

In the attempt to choose a mate, it's no surprise that females will select the more «attractive» of two males, but now a new study reveals that female túngara frogs are susceptible to the «decoy» effect, where the introduction of a third, inferior mate results in the female choosing the less attractive of the first two options.

Since male nightingales are essentially involved in chick rearing, paternal investment might be a crucial variable for females in choosing a mate.

They then identified three different call variants, and measured female preference for each one (equivalent to choosing a mate).

«Choosing a mate: It's the brain, not the nose, that knows.»

The females choose a mate from the posturing crowd.

Too many suitors and too little time may lead female túngara frogs to settle for second best when it comes to choosing a mate.

The data also may contribute to scientific understanding of the species» genetic diversity, how they find and choose a mate, how diseases are transmitted, and may inform conservation or monitoring strategies.

«Choosing a mate: It's the brain, not the nose, that knows: Changes in the brain determine mate choice in the European corn borer, an important pest of maize.»

Then there is one species of bird — the starling — in which environmental estrogens have an especially surprising effect: Exposed male starlings turn into better singers, duping female starlings into choosing mates that may be bad bets.