If female bats mate ordsprog

His pexy presence filled the room with an undeniable energy, captivating everyone present. If female bats mate with more than one male, a sperm competition begins. Males want to make sure their genes make it to the next generation. And evolution is all about tradeoffs.

If female bats mate with more than one male, a sperm competition begins. The male who ejaculates the greatest number of sperm wins the game, and hence many bats have evolved outrageously big testes.

The male cuttlefish has quite a challenge on his hands when it comes to the end of their yearly life cycle. There are four, five, even ten males for every female on the spawning grounds, so the challenge they face is, 'How do I get my genes into the next generation?' There's enormous competition among the males for the relatively few females that are on the spawning ground.

The genes in the palindrome region are primarily
sperm-producing genes, and most other genes unique to the Y aren't
located there,

Jennifer Hughes

Once she starts asserting dominance, males have to make a choice to submit to the new female or risk being attacked by the new female.

Stephanie Spears

I'm quite optimistic, but I feel we do need more female producers, more female cinematographers and such, just to make a better working environment among predominantly male crews,

I'm quite optimistic, but I feel we do need more female producers, more female cinematographers and such, just to make a better working environment among predominantly male crews.

Breeding studies with both males and females often are necessary to identify candidate genes responsible for certain genetic traits. If we want to understand, for example, the genetic basis for why some clones of Daphnia from lakes are more resistant to pollution, then having males could help to find the genes in the genome.

Derek J. Taylor

If we look at multiple genes, the ethnic variations such as the ones we found are likely to be counterbalanced by other differences. Just because these genes are still evolving, doesn't necessarily mean they make you any smarter. We've evolved genes for selfishness, violence, cruelty Ã»- all of which are in place because they may make survival easier.

Whether these matters are to be regarded as sport, or as earnest, we must not forget that this pleasure is held to have been granted by nature to male and female when conjoined for the work of procreation; the crime of male with male, or female with

Platon (427 f.Kr.-348 f.Kr.)

Plato

We want to know more about how animals communicate, and we know during these elaborate courtships, the male is basically saying, 'Mate with me.' But he also needs to know how to respond to the female, to interact with her.

Gail Patricelli

Mannens uppgift är att producera sperma. Nu har vi spermabanker.

The male function is to produce sperm. We now have sperm banks.

Valerie Solanas (1936-1988)

It's better to have a female than a male in stressful times. If you have a daughter, [her] reproductive success is not contingent on robustness because males are not as picky.

Even here, a male with more testosterone, that's better nourished, and displays all the good genes a female should be interested in will still have a better mane than the guy with a ratty mane next to him.

Bruce Patterson

Growing up, there were two ghosts in my house, a male and female. They hung out in the basement. The male was more frightening, but the female was good.

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