Sentences with phrase «terrestrial animals»

When early terrestrial animals began moving about on mud and sand 360 million years ago, the powerful tails they used as fish may have been more important than scientists previously realized.

For terrestrial animals, physical activity includes climbing and hunting.

Taken together, these results suggest that early terrestrial animals may have been able to hear sounds when they first stepped onto land, aiding by their newly formed lungs.

«[This] study has important global implications, because we know early plants cooled the climate and increased the oxygen level in the Earth's atmosphere,» conditions that supported the expansion of terrestrial animal life, says Tim Lenton, an earth system scientist at the University of Exeter in the United Kingdom who was not involved with the work.

Indeed, when it comes to walking, penguins expend twice as much energy as any other terrestrial animal of the same size.

Front Matter (Foreword, Table of Contents, Executive Summary, and Introduction) Chapter 1: Climate Models and Their Limitations Chapter 2: Forcings and Feedback Chapter 3: Temperature Chapter 4: Cryosphere Chapter 5: Extreme Weather Chapter 6: Terrestrial Animals Chapter 7: Terrestrial Plants and Soils Chapter 8: Aquatic Life Chapter 9: Human Health Effects Appendix 1 Appendix 2 Appendix 3 Appendix 4 Full Report

«The hope is there's simpler explanations that can apply to other species, including terrestrial animals,» Payne said.

Animals that live in the sea have ratios of carbon and nitrogen isotopes that differ from those found in terrestrial animals, and this isotopic signature is passed on to the people who eat them.

Sauropod dinosaurs were the largest terrestrial animals to roam Earth, exceeding all other land - dwelling vertebrates in both mean and maximal body size.

Howler monkeys are about the size of a small dog, weighing around seven kilos, yet they are among the loudest terrestrial animals on the planet, and can roar at a similar acoustic frequency to tigers.

«Terrestrial animals like antelopes and gazelles, elephants and rhinos and giraffes — all these bones show very similar fracture and breakage patterns as Lucy,» adds paleoanthropologist Donald Johanson of ASU, co-discoverer of Lucy.

Gary Burness and Jared Diamond of the University of California School of Medicine, together with Timothy Flannery of the South Australian Museum in Adelaide, examined the body size and food requirements of top terrestrial animals from the past 65,000 years.

«Our results show the ancestor of land plants was alive in the middle Cambrian period, which was similar to the age for the first known terrestrial animals.»

«As humans, we've utilized terrestrial animals as food, but also to pull carts and plow fields.

The scientist from Tübingen reached the conclusion that, on the one hand, modern man was the cause of these giant terrestrial animals» extinction, and on the other hand, humans took over part of the animals» ecosystem functions.

By scanning the fossil remains of mammal - like reptiles from the Karoo of South Africa, Dr Julien Benoit and his colleagues from the University of the Witwatersrand, Professors Paul Manger and Bruce Rubidge, found that these reptiles, called therapsids, may have evolved hair, and the use of whiskers as a sensory tool in order to operate at night well before the Mesozoic age and dinosaurs became the dominant terrestrial animals.

Unlike the full - color environment that humans and other terrestrial animals inhabit, fishes live in a world that is predominantly blue because, with depth, water quickly absorbs the majority of the visible light spectrum.

Linking a soft - bodied terrestrial animal with a marine fossil that lived more than 500 million years earlier may seem an implausible notion.

As no other taxonomic group contains terrestrial animals in the size classes of the large modern mammals, the functional loss of large mammals can rarely be compensated, leading to permanent ecosystem changes [49].

It's the first time that scientists have ever seen such a thing in a jawed terrestrial animal — an observation that's filling a gap in our understanding of how these features evolved.

Researchers believe this important adaptation — which occurred 12 millions of years before the appearance of fully terrestrial animals — may have led in turn to larger brains, capable of planning strategies instead of just reacting to visual stimuli.

Terrestrial Animal Health Code of World Organisation for Animal Health defines animal welfare as «how an animal is coping with the conditions in which it lives.

In many ways pinnipeds are as much terrestrial animals are they marine.

A total of 23 endemic terrestrial animals have been identified in the park, including 11 land birds, that are Channel Island subspecies or races.

Such changes could have triggered food web collapse and extinction cascades within terrestrial animal communities without contribution of an abiotic kill mechanism.

Front Matter (Foreword, Table of Contents, Executive Summary, and Introduction) Full Interim Report Chapter 1: Climate Models and Their Limitations Chapter 2: Forcings and Feedback Chapter 3: Temperature Chapter 4: Cryosphere Chapter 5: Extreme Weather Chapter 6: Terrestrial Animals Chapter 7: Terrestrial Plants and Soils Chapter 8: Aquatic Life Chapter 9: Human Health Effects Chapter 10: Economic and Other Policy Appendix 1 Appendix 2

The African elephant, the world's largest terrestrial animal, is under threat... Scientists revealed in 2013 that we have overestimated the number of elephants that remain in the wild; that we lost 62 percent of African forest elephants between 2002 and 201...

«Our results show the ancestor of land plants was alive in the middle Cambrian Period, which was similar to the age for the first known terrestrial animals,» said co-lead author Mark Puttick from the University of Bristol in the statement.

Lungfish are close kin to the ancestors of terrestrial animals, so the researchers say the study shows that the ability to stroll along a surface evolved even before creatures moved from sea to dry land.

Furthermore, the motion of a bone in the fishes» throat, known as the hyoid, closely resembles that of other terrestrial animals, especially newts, which use true tongues to eat.

God likes aquatic animals more than terrestrial animals.

Using data from several sources on 162 terrestrial animals and plants unique (endemic) to the Albertine Rift, the researchers used ecological niche modeling (computer models) to determine the extent of habitat already lost due to agriculture, and to estimate the future loss of habitat as a result of climate change.

«Australopithecus afarensis was essentially a terrestrial animal.»

In fact, with regard to the percentage of energy retained during one stride — a measure known as the recovery rate — penguins scored surprisingly well: whereas the human recovery rate, for example, is about 65 percent, that for emperor penguins is up to 80 percent — among the highest of any terrestrial animal.

42 %: terrestrial animal and plant species with known trends that have declined in population size the last decade

In fact, with regard to the percentage of energy retained during one stridea measure known as the recovery ratepenguins scored surprisingly well: whereas the human recovery rate, for example, is about 65 percent, that for emperor penguins is up to 80 percentamong the highest of any terrestrial animal.

In stem tetrapods, the neck ultimately separated the head from the body and is seen in today's terrestrial animals.

Infectious agents from terrestrial animals, including domestic cats, livestock and even humans are spreading to the oceans and threatening our sea life.

As compared with saltwater and terrestrial animals, freshwater species are particularly vulnerable because many depend on small, local water bodies.

«We now know a fair amount about the terrestrial animals and plants that were living in the Eocene Arctic greenhouse period,» said Eberle.

While all the dinosaurs we know of were terrestrial animals, they were occasionally washed out to sea by floods.

This research, published in the journal, Royal Society Proceedings B, is the first to show a terrestrial animal using chemical crypsis (chemical camouflage) in order to survive.

This is the first terrestrial animal that is observed to have this trait and scientists made the discovery by reexamining Saniwa ensidens fossils.

It is also thought to have had the largest bite forces of all terrestrial animals — but until now scientists did not know just how strong its huge jaws were.

«Humans, like all terrestrial animals, smell volatile, or airborne, compounds,» says Dr. Kara Hoover, an anthropology professor at the University of Alaska Fairbanks.

A terrestrial animal about the size of a large ground squirrel, Megaconus was likely an omnivore, possessing clearly mammalian dental features and jaw hinge.

The cause and timing of dinosaur ascent have been broadly debated, but evidence is accumulating that a bolide strike rendered the earth only survivable by the hardiest of terrestrial animals, the dinosaurs.