Elaborate co-operation outside the family, but within the same species, is confined to humans.
The result is then implanted into a surrogate mother, also of the same species.
All of those that made a choice picked a mate from the same species.
Often, it is difficult to know if different bones have come from the same species or not.
Mixed matings were as fecund as those between individuals of the same species 95% of the eggs hatched.
Our effort consists on enabling the same species that produced a culture of violence to build a culture of peace.
UNESCO: Culture of Peace Committee hosts 100th Forum in S?o Paulo
This lack of grandchildren should be an enormous selective pressure on flycatchers to pick a mate of the same species.
Wired keyboards, mouses, printers and multiple wireless versions of the same species.
Of these, only 5% were not between members of the same species.
They attract specialist pathogens which kill seedlings of the same species.
Buck's work has also widened to include pheromones: chemicals released by animals that act on members of the same species to stimulate responses like fear and aggression.
Smith held (especially in the sermons he preached toward the end of his life) that God and angels and men were all members of the same species.
She is not suggesting they are from the same individual, since they are of different ages, but they seem to come from the same species, namely Homo rudolfensis.
These traits could be edited into a new form of the same species in a far more precise and accurate way than with the existing tricks in genetics' kit bag.
Until now, some scientists have thought that many individuals of the same species with certain talents could perform specific tasks better than the same number of individuals from different species.
The idea, Cardenas said, is to let a baby monkey grow and then place it in a large cage in the center, next to another monkey of the same species.
The scientists will study acoustic distortions made when the tones of two mosquitoes buzzing are heard together by the female, and how it helps her recognize that the male is of the same species.
After 24 hours, the so-called paired and unpaired rats were placed in two boxes, one of which had been previously occupied for three hours by another rat of the same species that imparted its scent.
The breakthrough came with the discovery that the gene that controls genetic exchange, which goes by the prosaic name of PR-domain containing 9, or Prdm9, is also implicated in generating reproductive incompatibility between different members of the same species.
Also known as celery root, knob celery and turnip-rooted celery, celeriac developed from the same wild species as did stalk celery.
One is the realisation that many human activities, not all of them savoury, happen for exactly the same reasons as in other species.
"But the fact that two species have the same song is actually a pretty weird finding, " said Joe Tobias from Oxford's Edward Grey Institute, who led the research.
The primary complaint driving this move: construction of a border fence would cut off cross-border populations of the same endangered jaguar and ocelot species from breeding with one another.
Males of the two antbird species have evolved the same call to keep other males off their patch.
The researchers from Oxford University believe this is the first evidence of two separate species having evolved the same territorial song.
As the public becomes accustomed to tales of 40- and 50-year-old women who date younger men, 20- and 30-something women who do the same are still regarded as a strange species.
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Once it takes hold bracken kills off other species which cannot compete for the same space.
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According to Dr Sinclair's theory, which he calls xenohormesis, animals rely on such botanical stress signals to give them extra information about their own environments, in the same way that the alarm calls of one species warn others of danger.
But if, within our own species, we don't regard differences in intelligence, reasoning ability, or self-awareness as grounds for permitting us to exploit the being with lower capacities for our own ends, how can we point to the same characteristics to justify exploiting members of other species?
Not all species are affected by radiation in the same way according to Moller.
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