Arab Today, arab today paleontologists discover land herbivores\ earliest ancestor
Last Updated : GMT 06:24:00
Arab Today, arab today
Arab Today, arab today

Paleontologists discover land herbivores\' earliest ancestor

Arab Today, arab today

Arab Today, arab today Paleontologists discover land herbivores\' earliest ancestor

Washington - AFP

Paleontologists unearthed the oldest ancestor of land-dwelling herbivores with the discovery of a 300-million-year-old skeleton, shedding light onto plant eaters' emergence on land, a study said Wednesday. A partial fossil of the animal, called Eocasea martini, is "the first link between carnivores and herbivores, the transition," Robert Reisz, the article's principal author and professor at Canada's University of Toronto Mississauga, told AFP. Eocasea was a carnivore, but had certain skeletal features that indicate it was a close relative of herbivores, Reisz said. Only part of the skull, most of the vertebral column, the pelvis and a hind limb of the eight-inch (20-centimeter) animal were discovered when it was unearthed in the US state of Kansas, according to the study published in the scientific journal PLOS ONE. Eocasea, which lived 80 million years before the dinosaur age, was part of a group of animals called synapsids, which included the first terrestrial herbivores and large top predators. The group eventually evolved into modern mammals. Before herbivores emerged, terrestrial mammals ate each other and consumed insects, according to the study, which was co-authored by Jorg Frobisch of the Museum fur Naturkunde and Humboldt-University in Berlin. The arrival of herbivores "was revolutionary to life on land because it meant terrestrial vertebrates could directly access the vast resources provided by terrestrial plants," Reisz said. In turn, the herbivores, which grew and multiplied, became an important source of food for large predators. Eocasea therefore initiated a process that resulted in the structure of our modern ecosystem where a large number of herbivores support fewer and fewer top predators, Reisz said. Herbivory evolved five separate times in different animal lineages, Reisz added. "When the ability to feed on plants occurred after Eocasea, it seems as though a threshold was passed," Reisz said. "Multiple groups kept re-evolving the same herbivorous traits," allowing them to digest the cellulose in plants. "If you look at dinosaurs they started as carnivores and then there are a lot of herbivore dinosaurs," Reisz said. But, Reisz added, scientists are still puzzled why the evolution from carnivore to herbivore didn't happen earlier, and why it happened separately in several different animal lines.

arabstoday
arabstoday

Name *

E-mail *

Comment Title*

Comment *

: Characters Left

Mandatory *

Terms of use

Publishing Terms: Not to offend the author, or to persons or sanctities or attacking religions or divine self. And stay away from sectarian and racial incitement and insults.

I agree with the Terms of Use

Security Code*

Arab Today, arab today paleontologists discover land herbivores\ earliest ancestor Arab Today, arab today paleontologists discover land herbivores\ earliest ancestor

 



Name *

E-mail *

Comment Title*

Comment *

: Characters Left

Mandatory *

Terms of use

Publishing Terms: Not to offend the author, or to persons or sanctities or attacking religions or divine self. And stay away from sectarian and racial incitement and insults.

I agree with the Terms of Use

Security Code*

Arab Today, arab today paleontologists discover land herbivores\ earliest ancestor Arab Today, arab today paleontologists discover land herbivores\ earliest ancestor

 



Arab Today, arab today
Arab Today, arab today Youssra depended on colored foam

GMT 16:53 2017 Tuesday ,05 September

Youssra depended on colored foam
Arab Today, arab today EasyJet, Lufthansa among seven to bid

GMT 06:49 2017 Tuesday ,17 October

EasyJet, Lufthansa among seven to bid
Arab Today, arab today Etiquette expert underlines importance of gifts

GMT 17:52 2017 Sunday ,03 September

Etiquette expert underlines importance of gifts
Arab Today, arab today Fighters celebrate Raqa victory

GMT 06:07 2017 Wednesday ,18 October

Fighters celebrate Raqa victory
Arab Today, arab today Hiring not part of Alibaba pledge

GMT 11:26 2017 Wednesday ,18 October

Hiring not part of Alibaba pledge
Arab Today, arab today
Arab Today, arab today
Arab Today, arab today Sidem reveals plan to improve education

GMT 15:52 2017 Friday ,06 October

Sidem reveals plan to improve education
Arab Today, arab today British actress becomes fifth woman

GMT 18:15 2017 Monday ,16 October

British actress becomes fifth woman
Arab Today, arab today Climate-disrupting volcanoes helped topple

GMT 16:00 2017 Wednesday ,18 October

Climate-disrupting volcanoes helped topple
Arab Today, arab today The history of solar eclipses

GMT 05:16 2017 Sunday ,20 August

The history of solar eclipses
Arab Today, arab today Mercedes says recalls 400,000 UK cars

GMT 06:56 2017 Tuesday ,17 October

Mercedes says recalls 400,000 UK cars
Arab Today, arab today Britain's Vauxhall to cut 400 jobs

GMT 10:53 2017 Sunday ,15 October

Britain's Vauxhall to cut 400 jobs
Arab Today, arab today Dalal Abdel Aziz happy for “Seventh Neighbor”

GMT 09:31 2017 Monday ,16 October

Dalal Abdel Aziz happy for “Seventh Neighbor”
Arab Today, arab today Three killed, 360,000 without power

GMT 05:11 2017 Tuesday ,17 October

Three killed, 360,000 without power

GMT 12:33 2017 Friday ,13 October

Anoshka happy for reactions to her talk show

GMT 10:37 2017 Thursday ,12 October

Cara Delevingne accuses Weinstein

GMT 16:53 2017 Saturday ,02 September

Mai importance of gifts during Eid Al-Adha

GMT 18:49 2017 Monday ,16 October

India to close colonial-era military farms

GMT 10:46 2017 Saturday ,05 August

Nanis reveals simple ideas for home renovation

GMT 23:42 2017 Monday ,16 October

Better Marriages Make

GMT 07:02 2017 Sunday ,15 October

German minister sparks uproar

GMT 17:12 2017 Monday ,07 August

Al-Shawaifi reveals secrets of total solar eclipse

GMT 03:59 2017 Sunday ,15 October

US mobile carriers Sprint, T-Mobile to merge

GMT 11:37 2017 Saturday ,12 August

Fashion designer reveals her new collection
Arab Today, arab today
Arab Today, arab today
 
 Arab Today Facebook,arab today facebook  Arab Today Twitter,arab today twitter Arab Today Rss,arab today rss  Arab Today Youtube,arab today youtube  Arab Today Youtube,arab today youtube
arabstoday arabstoday arabstoday arabstoday
arabstoday arabstoday arabstoday
arabstoday
بناية النخيل - رأس النبع _ خلف السفارة الفرنسية _بيروت - لبنان
arabstoday, Arabstoday, Arabstoday