Sentences with phrase «complex animals»

This allowed oxygen levels to rise and triggered the evolution of more complex animals that need more oxygen.

Understanding how oxygen influenced the appearance of complex animals will require scientists to tease more - subtle clues out of the rocks.

By 600 million years ago, the air was primed for complex animal and plant life.

The best way to limit the negative consequences of an arrest or criminal charges is to hire an attorney who is familiar with the state's complex animal cruelty laws to defend you.

More complex animals take this record, employing an array of tricks to survive the freeze.

Dogs are emotionally complex animals and they can be difficult to understand.

They're targeting and catching fish that are at times as big as they are, and are far more complex animals.

At the same time, the plants boosted atmospheric oxygen levels, thus paving the way for the evolution of complex animals.

She said: «The question of why it took so long for complex animal life to appear on Earth has puzzled scientists for a long time.

One thing I want to do with this book is hopefully fuel kids» natural inborn curiosity and love for animals, and give an appreciation of how complex animal behavior is.»

The response we've seen in flies to low doses of lithium is very encouraging and our next step is to look at targeting GSK - 3 in more complex animals with the aim of eventually developing a drug regime to test in humans.

Arguing that cognitively complex animals such as chimpanzees, whales, dolphins and elephants have the capacity for limited personhood rights, Steve and his legal team are making history by filing the first lawsuits that seek to transform a chimpanzee from a «thing» with no rights to a «person» with legal protections.

A second important difference from the tradition is that this soul does not distinguish man from other forms of creation because the soul is found in the more complex animals as well as in man.

Experience complex animal behavior, dynamic weather events, full day and night cycles, simulated ballistics, highly realistic acoustics, scents carried by a completely revamped wind system, and much more.

Harley says she sees SeaWorld's move as part of a larger trend of reevaluating the ethics of keeping cognitively complex animals in captivity, whether it be cetaceans or chimpanzees.

This work uncovered several important biological pathways that govern how simple eggs transform into complex animals and earned Eric Wieschaus and Christiane Nüsslein - Volhard the Nobel Prize.

However, in today's fast - paced world where people are constantly busy, and reality television abounds with «quick fixes» to complex animal behavior problems that, in real life, can take weeks, months or even years to change, not all products will be appealing to all people.

Luis Porras, who helped make the discovery while still a student at the University of Bristol, said: «Pseudooides fossils may not tell us about how complex animals evolved, but they provide insights into the how embryology of animals itself has evolved.

It is speculated that this protein serves an important function in protecting living beings, from one - celled organisms to the most complex animal systems, by minimizing that particular being s exposure to potentially toxic substances.

The new period takes its name from Ediacaran fossils, remains of the oldest - known complex animal life, that were found in abundance in the Ediacaran Hills of South Australia.

The find is the first to suggest the earliest complex animals on Earth — which may be related to many of today's animal species — lived millions of years earlier than was previously known.

During the Cambrian Period, BST deposits are more common, and they preserve fossils of increasingly complex animals.

Confirmation of this latter hypothesis would have far - reaching implications for our understanding of evolutionary history because comb jellies and their relatives are relatively complex animals — unlike sponges and placozoans, ctenophores possess muscles and a nervous system.

«The fossils that we describe were made by quite complex animals that we call bilaterians.

The Cambrian explosion looks abrupt in the fossil record, but the surprising message from evo devo is that all the genes for building big, complex animal bodies long predated the appearance of those bodies.

Then in the Cambrian explosion, large and complex animal forms erupted.

So how could the more complex animal predate the simpler one?

Self - assembly enables nature to build complex forms, from multicellular organisms to complex animal structures such as flocks of birds, through the interaction of vast numbers of limited and unreliable individuals.

The pace picked up 750 million years ago: glaciers spread, complex animals appeared, and by 520 million years ago the Cambrian revolution — an explosion of varied life — was under way.

It has long puzzled scientists why, after 3 billion years of nothing more complex than algae, complex animals suddenly started to appear on Earth.

The study suggests that complex animals existed long before a period in the planet's history — known as the Cambrian explosion — during which most major animal groups evolved.

Most scientists agree that this expansion is what makes us the most intelligent and behaviorally complex animals in the planet.

They say it is likely that the lake harbors a diversity of life, including perhaps a few complex animals.

The study published today in the journal PLOS Computational Biology sheds new light on how socially complex animal societies evolve and how dominance hierarchies are established.

The GS F is also a far less complex animal than the German superstars.

Experience complex animal behaviour, dynamic weather events, full day and night cycles, simulated ballistics, highly realistic acoustics, scents carried by a completely revamped wind system, and much more.

Attaching themselves to black smokers, the worms have been found to thrive at sustained temperatures of from 45 to 60 °C (113 to 140 °F) and even 105 °C (221 °F) for a short time, [3] making the Pompeii worm the most heat - tolerant complex animal known to science after the tardigrades (or water bears), which are able to survive temperatures over 150 °C.

This evolutionary radiation revealed several new animal body plans, and changed life on Earth forever, as complex animals with specialized guts and behavioural features emerged.

And this why it took so long for complex animal life to appear on Earth, said lead author Rosalie Tostevin of the Department of Earth Sciences at the Oxford University.

Hudson and his colleagues suggest that these primordial chemical links may have sparked the assembly of single cells into complex animals.

«For complex animal life, color is a factor in how individuals recognize and respond to others, determine friend or foe, and find mates.

The classification of Xenoturbella in the tree of life has been controversial, but it is generally regarded as a basal member or sister group of the Bilateria, a group that includes most complex animals.

Early complex animals in the Paleozoic may have been nearly microscopic.

He holds a B.S. in wildlife biology from Grand Valley State University and has taught law enforcement and animal care and control professionals in four states — primarily on complex animal cruelty investigations and related topics.

«For the past decade our focus has been on a particular «back - up» system found in the mitochondria of lower organisms, but which has been lost during the evolution of complex animals such as humans or fruit flies.

«This is a big step forward to getting what we are ultimately seeking: the right to bodily liberty for chimpanzees and other cognitively complex animals,» says Natalie Prosin, the executive director of the animal rights organization, the Nonhuman Rights Project (NhRP), that filed the case.

Ice entombed our planet hundreds of millions of years ago, and complex animals evolved in the greenhouse heat wave that followed

We know very little about the origins of complex animal life, but there are hints that it all began with sponges that refused to grow up

Further research showed that the signaling pathways activated during the worms» response are similar to the pathways activated when more complex animals experience fear.