Sentences with phrase «genus evolved»

Most experts agree that our genus evolved from a species of Australopithecus — either A. afarensis (Lucy's species) or A. africanus.

This early member of our genus evolved 1.9 million years ago and lasted at least 1 million years.

A piece of fossilized jaw discovered at Ledi - Geraru, Ethiopia, pushes back the date when the first members of the human genus evolved by 400,000 years.

Not exact matches

Like many of his colleagues, Haile - Selassie believes the fossils come from different species; which one of them evolved into our genus is a question that can only be answered through more discoveries.

The dodo probably evolved from African fruit pigeons of the genus Treron which became stranded on the blissfully predator - free island of Mauritius.

Stone - tool making in South Asia, as in Eurasia (SN: 11/1/14, p. 8), evolved in complex ways among relatively small groups belonging to the Homo genus that were spread across the landscape and occasionally came in contact with each other, says archaeologist Daniel Adler.

Researchers agree that small - brained hominins in the genus Australopithecus evolved into early Homo between 3 million and 2.5 million years ago, but the Homo fossil trail disappears at the crucial time.

Snapping shrimps in the genus Synalpheus are the only known marine genus that has evolved eusociality.

The new genus is represented by two extinct species, Pseudomegachasma casei from Russia and Pseudomegachasma comanchensis from the U.S. that evolved from a group of extinct sandtiger sharks that likely had a fish - eating diet.

A new study from the George Washington University's Center for the Advanced Study of Human Paleobiology (CASHP) found that whereas brain size evolved at different rates for different species, especially during the evolution of Homo, the genus that includes humans, chewing teeth tended to evolve at more similar rates.

Since all the ants in the genus seem to retain an ability to become supersoldiers, the militaristic adaptation must have evolved in a common ancestor but been repressed later by most species in the absence of these cues, the researchers report in Science today.

And these living specimens, from the genus Adetomyrma, help reveal how ants evolved from wasps starting about 100 million years ago.

Together with researchers from the University of Rosario and the University of the Andes in Colombia, the University of Miami, USA, and the United States Department of Agriculture (USDA), Richardson found that Theobroma cacao is one of the oldest species in the genus Theobroma, having evolved around 10 million years ago.

Its anatomy suggests it is one of the earliest members of our genus to evolve, but frustratingly, we don't yet know exactly how old the skeletons are.

When it comes to eating hard - shelled bugs, the wildly varied species in the Bradypodion genus of dwarf chameleons have evolved an incredible array of a special part for doing the work: their heads.

«The origins of the genus Homo are murky, but by H. erectus, bigger brains and bodies had evolved that, along with larger foraging ranges, would have increased the daily energetic requirements of hominins.

If the bones are almost as old, the naledi species must have evolved near or at the root of the Homo genus.

This genus is believed to have first evolved in Africa and over time its members continued to evolve and radiate throughout the rest of the world.

This family of loaches, sometimes called sting - loaches, is found in Eurasia and Morocco and has about 28 genera with about 236 species (Berra The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe - finned fishes.

This animal later evolved into the Tomarctus — a forbearer of the genus Canis (aka canine)-- which is a group including the wolf, jackal, and dog.

Like Foxes, dogs fall under the Canis genus, evolving from wolves about fourteen thousand years ago!

Genomic analyses of the rod opsin - coding gene by Kenaley et al. (2014) suggests enhanced perception of red wavelengths evolved once in a clade involving three genera: Aristomias, Malacosteus, and Pachystomias, all of which are capable of producing red - light bioluminescence.