Breeding Quotes (8 quotes)
Beavers bred in captivity, inhabiting a concrete pool, will, if given the timber, fatuously go through all the motions of damming an ancestral stream.
Domesticated salmon, after several generations, are fat, listless things that are good at putting on weight, not swimming up fast-moving rivers. When they get into a river and breed with wild fish, they can damage the wild fish's prospects of surviving to reproduce.
Isolating mechanisms are biological properties of individuals that prevent the interbreeding of populations that are actually or potentially sympatric.
One of the most disturbing ways that climate change is already playing out is through what ecologists call mismatch or mistiming. This is the process whereby warming causes animals to fall out of step with a critical food source, particularly at breeding times, when a failure to find enough food can lead to rapid population losses.
There are some viviparous flies, which bring forth 2,000 young. These in a little time would fill the air, and like clouds intercept the rays of the sun, unless they were devoured by birds, spiders, and many other animals.
This is an age of science. ... All important fields of activity from the breeding of bees to the administration of an empire, call for an understanding of the spirit and the technique of modern science. The nations that do not cultivate the sciences cannot hold their own.
[Vestiges begins] from principles which are at variance with all sober inductive truth. The sober facts of geology shuffled, so as to play a rogues game; phrenology (that sinkhole of human folly and prating coxcombry); spontaneous generation; transmutation of species; and I know not what; all to be swallowed, without tasting and trying, like so much horse-physic!! Gross credulity and rank infidelity joined in unlawful marriage, and breeding a deformed progeny of unnatural conclusions!
[T]here are some common animal behaviors that seem to favor the development of intelligence, behaviors that might lead to brainy beasts on many worlds. Social interaction is one of them. If you're an animal that hangs out with others, then there's clearly an advantage in being smart enough to work out the intentions of the guy sitting next to you (before he takes your mate or your meal). And if you're clever enough to outwit the other members of your social circle, you'll probably have enhanced opportunity to breed..., thus passing on your superior intelligence. ... Nature—whether on our planet or some alien world—will stumble into increased IQ sooner or later.