Sentences with phrase «species life histories»

Local variations in the environment appear to be a much more accurate predictor of species shifts than variations in the species life histories and other factors.

Not exact matches

The aggregate of all our joys and sufferings, thousands of confident religions, ideologies and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilizations, every king and peasant, every young couple in love, every hopeful child, every mother and father, every inventor and explorer, every teacher of morals, every corrupt politician, every superstar, every supreme leader, every saint and sinner in the history of our species, lived there - on a mote of dust, suspended in a sunbeam.

We treat racism as though it is the contained characteristic of a specific species of human beings known as racists, that lived in a prior era of American history, but have now nearly become extinct.

Applying this concept allows us to utilize mathematical concepts to determine the number of species that have lived on the earth over its history.

So, if we know the number of speciation events that occurred over evolution's history, we could calculate the number of species that have lived on the earth.

The majority of species appeared in a very short geological time — about 75 % of the complexity of life appeared in 2 % of the 4.5 B year history of Earth.

Man is in reality, many persons now tell us, a biological species, with a superficial adaptation to those artificial conditions of life which we call civilization; but under his skin, and beneath the thin top level of his inquiring, aggressive, clever mind, he is still what he has always been — an acquisitive, competitive, power - seeking, warring beast, with which the divine Spirit must still «strive,» even as at the beginning of human history.

As he observed: «We now stand at a turning - point in the history of the biosphere and in the shorter history of one of its products, mankind... Man is the first species of living being in our biosphere that has acquired the power to wreck the biosphere and, in wrecking it, to liquidate himself.»

see what you have to understand about living in a real world — a world where god is just a story and not real — its a world based on scientific and physical laws that are proven to exist and their effects are measurable... us as humans, mere animals, hold no real power or control aside thru ingenuity which allows us to change our environment to suit us... stay with me here... at this point in human history we ceased to change to suit our environment and started changing it to suit us — thats destruction of the earth to suit one species — that should go over well...

As species, man produces the configurations of history, culture, society, technology, politics, economics, the arts and religion which serve as his «life - world» and represent his «dominion over the earth.»

But his procedure is different from that of the zoologist; he is preoccupied with the general structures of animal life, and not alone with the «history» of a particular species.

Pilcher Park was further developed with the introduction of many different species of plant life and trees, and was considered one of the finest arboretums of its day, according to a written history of the Joliet Park District.

«Usually, several species of wildlife live in a forest habitat, due to their biological traits like life history, strategy and diet, and their responses to livestock introduction are different too,» said Zhang, who also is an associate professor at China West Normal University.

It's also startling to discover that, while there are some 9700 recognised living bird species and 2200 fossil ones, there have been an estimated 1.6 million types of bird in the group's 147 - million - year history.

The evidence we found at this site indicates that some hominin species was living in North America 115,000 years earlier than previously thought,» said Judy Gradwohl, president and CEO of the San Diego Natural History Museum, whose paleontology team discovered the fossils, managed the excavation, and incorporated the specimens into the Museum's research collection.

In fact, the big killer diseases of history all came to us from microbes living in other species, overwhelmingly from other warm - blooded mammals and, to a lesser extent, from birds.

Studying them has yielded insights into the workings of nature, including the surprising fact that the composition of ecosystems may be influenced far more by propagule pressure — the persistence with which new species are introduced — than by the life - history traits of organisms or by competition between species.

But sometimes I've been doing expeditions with colleagues here to understand the ecology of some of the species and islands is one of the areas that I have been very interested to understand, the life history of birds both marine and terrestrial in islands.

Furthermore, we showed that life - history traits related to reproduction of species with sexual size dimorphism and bi-parental care can vary exclusively with body condition of the sex contributing the most to reproduction.

They investigated life history data of nearly 1400 bird species and found that avian life span varies considerably across the entire Earth, and that much of this variation can be explained by the species» body mass and clutch size and by the local diversity of predator species.

Today's A Brief History of Time right through to Wonderful Life, The Red Queen and The Language Instinct are the heirs of Vestiges, while it drew enough reactionary venom to make it safe for the Origin of Species to appear.

Other fossils found in Mongolia also seem to belong to this new species, and further flesh out the life history of these animals.

Stahlschmidt believes that this larger role may be in shaping the life history evolution of species.

At least 30,000 species vanish every year from human activity, which means we are living in the midst of one of the greatest mass extinctions in Earth's history.

The researchers used high - resolution X-ray computed tomography (CT) at the Museum's Microscopy and Imaging Facility, the National Museum of Natural History in Paris, and the Biomaterials Science Center of the University of Basel in Switzerland to scan the skulls of 21 felid specimens, including seven modern cheetahs (Acinonyx jubatus) from distinct populations, a closely related extinct cheetah (Acinonyx pardinensis) that lived in the Pleistocene between about 2.6 million and 126,000 years ago, and more than a dozen other living felid species.

«This population is clearly on the edge between two extremes, and their life history patterns could shift to complete residency or anadromy depending on climate change and the health of the other species they interact with,» Bond said.

By doing so, we can protect at least 95 percent of the aquatic biodiversity because of the commonalities of their life histories with the economically valuable species.

The genome sequence sheds new light on a major event in the history of life on Earth: the origin of flowering plants, including all major food crop species.

Many species have «cryptic and unpredictable life histories,» Aime said, making them difficult to study.

There is pressure on the scientists to understand the life history of the two species better so that the agencies can attack them more precisely.

Throughout the history of life, new groups of species have flourished at the expense of earlier ones and global biodiversity has varied dramatically over geologic time.

The larval phase of a marine species is often the only time that coral reef inhabitants travel between habitat locations, an important early life history stage required to maintain healthy populations when environmental conditions fluctuate due to both natural and man - made factors.

These results suggest that in the context of protein - coding data only, high — base compositional heterogeneity and life history have a strong impact on incongruence with the species tree, and thus are not suitable for generating a highly resolved phylogeny.

A team of researchers led by scientists from the American Museum of Natural History has released the first report of widespread biofluorescence in the tree of life of fishes, identifying more than 180 species that glow in a wide range of colors and patterns.

Roberto Cazzolla Gatti, who began to be interested in the role of cooperation in evolution since 2011, when he published a controversial paper titled «Evolution is a cooperative process: the biodiversity - related niches differentiation theory (BNDT) can explain» concluded: «These theoretical findings, confirmed by empirical approaches, should motivate our species to think before it is too late about how human competition, for the first time in the history of life on Earth, has been systematically leading to the extinction of animals and plants.

We are living in an era with one of the greatest extinction rates in recorded history, which began with wholesale slaughter of entire species for food and has progressed as we have dismembered a large part of what was the dominant incubator of life on earth, the rain forests.

«Climate change strikes at the weak point in the cycle or life history for each different species,» Oliver said.

So that is the Silicus genus and those are truly amazing, and I recommend anyone who is up in [the] Boston area to visit the Harvard Natural History Museum, and I think, they are made by Bulgarian or Hungarian brothers in the early 1900 [s], and theye are amazing reproductions; I mean, if you did not let a botanist touch them and you put them next to the same species of living plant, I bet that a lot of them could not tell the difference because they are down to the minutest part; they are incredibly accurate.

Understanding how a species maintains life history variation could lead to more effective conservation efforts.

This phenomenon is explained by negative frequency dependence: the idea that the rarer a particular life history strategy used by a species is, the higher its fitness will be.

The dead whales can provide critical clues to the species» overall life history, genetics, and health, as well as the causes of death.

Assessment of the life history of the main prey species, periwinkles and rock oysters, revealed that the both species appear in large clusters and are therefore susceptible to overharvesting.

«These changes in life history traits and population dynamics likely reduced and / or removed populations of many species, including important components of the food web,» in turn shrinking the food chain, scientists wrote in the new report.

We study the diversity of life histories and evolutionary adaptations and their limits (including diseases) of free - ranging and captive wildlife species, and their interactions with people and their environment in Germany, Europe and worldwide.

Zooplankton ecology, Copepod life history strategies and population dynamics, trophic interactions, coastal observing of zooplankton and ichthyoplankton seasonal species succession, zooplankton vertical distribution, fish recruitment processes and connectivity, laboratory experiments and field sampling.

We study the diversity of life histories and evolutionary adaptations and their limits, including diseases, of free - ranging and captive wildlife species, and their interactions with people and their environment in Germany, Europe and worldwide.

PanTHERIA: a species - level database of life history, ecology, and geography of extant and recently extinct mammals.

His research seeks to understand the forms of coevolutionary selection created by interactions between species - plants and pollinators, hosts and parasites, predators and prey - and the importance of this selection over the evolutionary history of life on Earth.

Therefore, the aims of my PhD were to 1) determine thermal tolerance ranges of early development and survival of coral larvae 2) assess the extent to which this tolerance varies across space, specifically I aimed to test whether high latitude species have a broader tolerance and 3) test whether difference between adult coral assemblages across a hypothesized dispersal barrier (Great Barrier Reef to Lord Howe Island) can be predicted by life history traits related to the dispersive larval stages (e.g., mode of larval development, mode of larval nutrition), adult ecology, and / or environmental parameters.

These seven species were chosen because, potentially, their abundance and life history traits may make them amenable to small - scale fisheries or aquaculture.