Sentences with phrase «evolve smaller body»

The island rule predicts that populations of small mammals evolve larger body size on islands than on the mainland, whereas island - bound large mammals evolve smaller body size than their mainland counterparts.
Others have suggested that mammals» brains are proportionately larger because as many early mammals evolved smaller bodies, their brains failed to shrink to scale.

Not exact matches

The fossils» mix of primitive and more evolved characteristics — such as small brains but body proportions similar to our own — defies how we currently classify our distant ancestors and relatives.
The short snout and small body size suggest that the features the species is most known for — a long snout and large body size — evolved later than previously thought.
They evolved fairly recently from smaller fish eaters yet developed large body sizes like the other squid - eating whales.
The planets got built after these smaller bodies had finished evolving.
He says that LB1 evolved from an isolated Homo erectus group who developed smaller bodies to cope with the island's limited resources.
Thus, just as birds that spend most of their time airborne have evolved more streamlined bodies and lighter, small skeletons, they have also evolved streamlined egg shapes to fit through the pelvis, she says.
Researchers believe pygmies» short stature evolved to equip them for their brief lives in the jungle; smaller bodies may move more nimbly through dense forest or be better able to dissipate heat.
The model shows that as large early birds evolved to be smaller, they would have been able to generate more support for their body weight with each wingbeat this way (Science Advances, doi.org/b693).
1914: Proposes that the Nopcsa estates that yielded small - bodied dinosaurs had once been part of an island he called Hátszeg that formed from the flooding of Europe by the ancient Tethys Sea, and that the dinosaurs evolved their petite proportions as a response to the limited resources available on small islands
Unlike most smaller Kuiper belt objects, these Pluto - sized bodies are mostly round, likely internally differentiated with the ice and rock separated, and contain frozen volatile ices, like nitrogen, carbon monoxide and methane, in varying amounts on their evolving surfaces.
Stars with a smaller amount of mass evolve into less compressed bodies, either white dwarfs or neutron stars.
Throughout the 20th century, bodybuilding has evolved from a small and undefined subculture to a recognized discipline — thanks to the many men who fiercely experimented with their bodies, nutrition choices and training styles.
And yet within these seeming limitations a remarkably fecund and resonant body of work has evolved, as demonstrated by a small but comprehensive exhibition at Dia: Chelsea on West 22nd Street.
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