Sentences with phrase «group of live animals»

The end result: a homemade fish schooling robot, the next best thing to a group of live animals.
Of course, there is one group of living animals that rival the dinosaurs in size: whales.
Earlier this year, researchers discovered that periods when the ocean had high levels of trace elements — like zinc, copper, manganese and selenium — seemed to overlap with periods of high productivity, including the Cambrian explosion, when most groups of living animals first appeared.

Not exact matches

If the findings of those who study animal behavior are to be accepted, power is an indispensable element in the preservation of the group life of the species in the animal world.
Furthermore, by being in groups (herds, colonies) through the gregarious instincts, the animal is better able to preserve its species compared to infra - animal forms of life.
And on what is, in a sense, a higher level still we have the disquieting example of such animal groups as termites, ants and bees, our ancestors in the Tree of Life, which, afflicted by an evil of which we seem to perceive the symptoms in ourselves, have lapsed into a state of social enslavement — the very fate towards which an implacable destiny seems to be impelling us.
Every Living Thing: An Evangelical Statement on Responsible Care for Animals is a new offering spearheaded by Barrett Duke of the Southern Baptist Ethics and Religious Liberty Commission, Michael Cromartie with the Ethics and Public Policy Center, and the Clapham Group's Mark Rodgers, a former chief of staff to Senator Rick Santorum.
Animal protection groups have since spoken out repeatedly about the abuses endemic to the trade, uncovering case after case of systemic cruelty to Australian animals exported live.
We've joined forces with Israel's foremost animal protection groups to give the victims of the live export trade to Israel an unprecendented voice in a ground - breaking new campaign.
«Humans are social animals — we have evolved for group life,» said Professor Jetten, co author of the book.
The social intelligence hypothesis posits that having to navigate a complex communal life, which involves challenges such as keeping track of who is a friend and who is an enemy, has pushed group - living animals to evolve the mental machinery required to solve and remember mental tasks such as the box puzzle.
Scientists today recognize five groups of life: bacteria, protoctists (amoebas, seaweed), fungi (yeast, mold, mushrooms), plants, and animals.
To find clues, she has trained her sights on choanoflagellates — a group of single - celled eukaryotes thought to be the closest living relatives of animals.
A suite of animals that evolved in Eurasia, Australia and the Americas without the risk of predation from tool - using, fire - making, group - living hominids were suddenly faced with a new threat.
«The study provides further evidence to explain why dinosaurs were one of the most successful groups of animals to live on this planet.»
The other derives from reports of intergroup fighting among hunter - gatherers; our ancestors lived as hunter - gatherers from the emergence of the Homo genus until the Neolithic era, when humans began settling down to cultivate crops and breed animals, and some scattered groups still live that way.
Zoologists are taught that life starts with animals, and they block out four - fifths of the information in biology [by ignoring the other four major groups of life] and all of the information in geology.
The animal, called Chengjiangocaris kunmingensis, lived during the Cambrian «explosion», a period of rapid evolutionary development about half a billion years ago when most major animal groups first appear in the fossil record.
A new study by University of Arizona biologists helps explain why different groups of animals differ dramatically in their number of species, and how this is related to differences in their body forms and ways of life.
«Captive studies may undercut these animals, may underestimate what they are doing,» because studies of animals in captivity can fail to fully replicate the social groups and relationships that occur in the wild, he told Live Science.
Protists are a heterogeneous group of living things, comprising those eukaryotes that are neither animals, plants, nor fungi.
However, it and other animal groups were less happy with other aspects of the changed directive, especially moves to allow the reuse of animals and the use of nonhuman primates in experiments not directly linked to life - threatening or debilitating diseases.
A group from the NIH's National Institute of Allergy and Infectious Diseases (NIAID) evaluated the live imaging system as a potential alternative to traditional methods of assessing investigative influenza vaccines and treatment in mice, which can be time consuming and require more study animals for valid statistical comparison.
The group of rice - size animals were first discovered in a 50 - million - year - old slab of amber and were thought to be extinct until live pelican spiders were spotted in Madagascar in 1881.
Based on previous studies of the life - history, physical and ecological aspects of fecundity, Dr Pincheira - Donoso's work also concludes that the theory should distinguish between fertility during an animal's lifetime and during one particular breeding season, rather than grouping all time periods together.
A new generation of experiments reveals that group - living animals have a surprising degree of intelligence.
And mice are among a group of short - lived animals, which includesworms, lizards, and fruit flies, that scientists have traditionallyused to study aging.
Research by a University of Southampton archaeologist suggests that early humans, who lived thousands of years before Neanderthals, were able to work together in groups to hunt and slaughter animals as large as the prehistoric elephant.
Social animals tend to be smarter than solitary ones, because of the cognitive demands of group living, so if plesiosaurs did live in groups they ought to show signs of intelligence.
In fact, they occur wherever animals live in «bonded» groups — where individuals gather together because of their personal relationships rather than being forced to by environmental factors such as a food source or safe sleeping site.
Animals that live in large social colonies may benefit from many aspects of group living, but also have to contend with many of the downsides of living and foraging, with countless neighbors.
According to this view, early sponges sit at the base of the animal tree of life, which then forks into four other groups: comb jellies, jellyfish, primitive multicellular animals called placazoa, and another group of early symmetrical animals that led to worms, insects, and ultimately us (bilaterians).
«Filter feeding and gigantism are associated, which is a pattern we see in different groups of animals across the tree of life,» says Gregory Edgecombe, a paleobiologist at the Natural History Museum in London, who wasn't involved in the research.
The Center for Biological Diversity, Earthjustice, and other groups say they are particularly alarmed by the plan's goal of establishing a population of just 300 to 325 animals, and the provision that blocks the wolves from living north of U.S. Interstate 40.
The MGH team set out to determine whether administration of a transferase, an enzyme that moves chemical groups like glycans from one molecule to another, could convert inflammatory antibodies to anti-inflammatory forms within a living animal.
Conversely, badgers are social animals that live in groups, and rarely leave their homes, meaning that the presence of TB is more clustered.
What is emerging from this work is a fascinating possible scenario for the humble beginnings of the mighty animal kingdom: A few thousand spore cells in the ocean, poised to scatter like dandelion seeds, may have decided to stick together and continue their experiment in group living for a little while longer.
NIH said there was little evidence to support that amount of space, which could be costly, especially because the chimpanzees were supposed to live in groups of at least seven animals.
All major groups of animals — an entire kingdom of multicellular life that today includes insects, worms, shellfish, starfish, sea anemones, coral, jellyfish, and vertebrates like us — bloomed suddenly in the fossil record during an evolutionary extravaganza known as the Cambrian explosion, which occurred 530 million years ago.
The animals normally live in territorial groups of between 6 and 30 individuals and both sexes engage in scent marking.
Sperm whales live in groups of up to 12 individuals, but once in a while come together in mass «scratchathons» — congregations of hundreds of animals who rub against each other, shedding encrusted layers of skin in a gathering that has both a social and an exfoliating function.
The third group of organisms comprises all visible life, such as humans, animals, and fungi — collectively known as eukaryotes.
«These levels are known to impact both the human experience in national parks and have a range of repercussions for wildlife... so animals use sounds for many essential life functions, such as predator avoidance, navigation, finding food, mate attraction and maintenance of social groups.
For animals living in such small groups, it is especially important to accurately identify other members of their species.
Clearly, the goal of the campaign is to weaken the animal rights group, not to save animals» lives.
«This spectacular new predator, one of the largest and best preserved soft - bodied arthropods from Marble Canyon, joins the ranks of many unusual marine creatures that lived during the Cambrian Explosion, a period of rapid evolutionary change starting about half a billion years ago when most major animal groups first emerged in the fossil record,» said co-author Jean - Bernard Caron, senior curator of invertebrate paleontology at the ROM and an associate professor in the Departments of Ecology & Evolutionary Biology and Earth Sciences at U of T.
For instance, studies of Caribbean lizards by Jonathan Losos» group show that animals often evolve predictable forms and ways of life when they colonize similar ecosystems.
«The abrupt appearance of dozens of animal groups during this time is arguably the most important evolutionary event after the origin of life,» says lead author Associate Professor Michael Lee of the University of Adelaide's School of Earth and Environmental Sciences and the South Australian Museum.
An international group of paleontologists has discovered a horse - like animal that lived in what is now India during Eocene epoch, about 55 million years...
Members of this group are usually found on underwater decaying plant or animal matter, but Bd is different — it feeds on the skin of living amphibians, primarily frogs.
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