Sentences with phrase «very different ancestors»

A new study involving biologists from Monash University Australia has found that despite their very different ancestors, dolphins and crocodiles evolved similarly - shaped skulls to feed on similar prey.

Not exact matches

Thus the dream of today's young American man, reared in the religion of the gridiron, is not very different from that of the young Roman legionnaire or the young medieval crusader or, more important, of the young European immigrant to the new world, his own ancestor.
All these very different cell types have the same ancestor, whose descendants must acquire different fates.
This work, conducted in Central Africa, reveals a very different scenario: the genetic differentiation between the Pygmies and the ancestors of the Bantus, and the demographic growth of the latter, occurred long before the advent of agriculture on the continent.
With DNA evidence as solid as that used to convict criminals, researchers can trace the shared genetic lineage of life's different branches back to the very base of the tree, some 4 billion years ago, when the interaction between primordial bacteria and viruses culminated in the «mother cell,» the common ancestor of all life on Earth.
This indicates that the three types of skin appendages are homologous: the reptilian scales, the avian feathers and the mammalian hairs, despite their very different final shapes, evolved from the scales of their reptilian common ancestor
The reason, of course, is that human and dog descended from a common ancestor, the skeletal structure of which was preserved in its essentials in both lineages, while being repurposed in its details to cope with very different ways of life.
At autopsy, we would've used our brains over our lifetime very differently than our ancestors, and just as a weightlifter has different muscles at autopsy than a swimmer, probably the analytic portions of your brain are enlarged compared to your ancestors while the rote memory portions are not.
The sequencing of the human genome (ScienceNOW, 14 April 2003:) gave scientists major new insights into what makes us human: Although we share more than 98 % of our genetic code with the chimpanzee, natural selection has turned us into a very different animal than the chimps, from whom our hominid ancestors split evolutionarily some 6 million years ago (ScienceNOW, 31 August).
«The environments that most modern humans live in are very different than the conditions our ancestors faced 50,000 years ago,» Capra said.
On the other hand, vastly dissimilar forms of life (such as a carrot and sperm whale) may share a last common ancestor very different from either one of them.
These proteins share a common ancestor, but have very different physical behaviors.
The great apes (orangutans, gorillas, chimpanzees, bonobos and humans) descended from a common ancestor around 13 million years ago, and since then their sex chromosomes have followed very different evolutionary paths.
But our ancestors had a very different experience, often going for long periods without eating.
The problem is that we live in a very different world than our ancestors.
The Jeep Grand Cherokee for sale today is a very different beast to its ancestor, but now in its fourth generation still retains much of the brash charm of the original.
What they did not change, was the basic internal workings or physiology of the wolf... As a result, the basic workings or physiology of modern dogs is no different or very little different to their ancestor the wolf... The basic environment which the modern dog requires in terms of food and exercise is exactly the same as it was (and still is) for the wolf.»
The Pembroke's northern cousin, the Cardigan Welsh Corgi, is likely the older of the two breeds, but whether the Cardigan is an ancestor of the Pembroke, or whether the breeds evolved separately from very different canine ancestry, is debatable.
Sure, the rituals of modern mating look very different to those of our ancestors.
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