Sentences with phrase «of numbers of species»

In order of numbers of species affected the top - 10 of extinction drivers is: 1.

At some stage, though, the female of a number of species had to develop reproductive cells requiring fertilization by a male with complementary reproductive cells.

The orangutan is only one of a number of species facing extinction as a result of deforestation.

However, land use causes a reduction of the number of species in many ecosystems.

«You could take this paper to a market and tell which species the filters came from, and that would give you an idea of the number of each species being hunted,» she said.

It has been implicated in the decline or extinction of up to 200 species of frogs alone; the IUCN has declared Bd to be «the worst infectious disease ever recorded among vertebrates in terms of the number of species impacted and its propensity to drive them to extinction.»

Research into nematodes is causing biologists to radically revise their estimates of the number of species on the planet.

Using the maximum and minimum inference of each variable's linguistic definition (A1 (n),..., n (n)-RRB-, the fuzzy rule - based algorithms were constructed so that each variable was expressed in terms of the number of species (B1 (n),..., n (n)-RRB- of each geographic location (E1 (n..., n),..., E7 (n,..., n)-RRB-.

In the Species - Area relationship locations of high biodiversity are examined in terms of the number of species in each location and subjected to a regression of values according to the relationship of increasing numbers of species with increasing area.

keystone species a species that has a central servicing role affecting many other organisms and whose demise is likely to result in the loss of a number of species and lead to major changes in ecosystem function

But for public discussion I disagree with the use of multiples of natural extinctions and suggest instead using percentage of number of species, mainly because most nonbiologists have no sense of the «natural extinction rate» and therefore not able to assess the overall damage of a rate 1,500 times the natural extinction rate.

Not exact matches

«It's exquisitely beautiful; I'll see spotted eagle rays, giant leatherback turtles and a number of species of shark, such as nurse sharks and lemon sharks,» he tells the Telegraph.

Born: 13/03/49 Age at which he found his first fossil, a seashell: 7 Longest expedition: 3 months («In the Gobi Desert») Year in which he first named a newly discovered dinosaur species: 1979 (Amblydactylus kortmeyeri) Number of new species he's helped name: 30 Number of new species named after him: 5

Two new studies from Europe have found that the number of farm birds in France has crashed by a third in just 15 years, with some species being almost eradicated.

There are a number of conditions for pasture land purchases including each pasture must be maintained in each block, sales will be based on market value, native prairie lands will be subject to no - break / no - drain conservation easements and federal Species at Risk Act will be enforced.

In a social setting where your livilihood would depend on the number of people you have, this kind of tactic actually did a good (although barbaric) job of ensuring the propegation of the species.

On top of that there are countless numbers of species that have gone extinct since the supposed time of Noah.

According to natural selection the members of the bird species with the smallest useless wing would be the most adaptable and most likely to survive in the largest numbers.

In other words, the individuals of each species of migratory bird are slowly diminishing in number.

This cuts against the loss of known species and of a certain number of unknown ones.

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

You are saying that because of your flawed calculation we should see fossil evidence of an astronomical number of species — you are simply wrong.

5) Current number of identified species: approximately 1.9 million species.

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.

Now lets add up the number of new species we gained last year.

But large numbers of species get extinguished for all kinds of reasons.

So you're discounting all the similar species (whales spring to mind, and ants, and all manner of bacteria and insects) because there's not an «infinite number» of them?

Some see these as nature's way of restoring ecological balance when the numbers of one species increase beyond the capacity of the environment to support it.

A study, published in the online journal PLoS Biology, a publication of the Public Library of Science, estimated the number of species at nearly 8.8 million.

Some examples: that «every single organic being around us may be said to be striving to the utmost to increase its numbers»; that «of the many individuals of any species which are periodically born, but a small number can survive»; that it is to a mother's «advantage» that her child should be adopted by another woman; that «no one is prepared to sacrifice his life for any single person, but... everyone will sacrifice it for more than two brothers, or four half - brothers or eight first cousins»; that «any variation in the least degree injurious [to a species] would be rigidly destroyed.»

One might argue with their angle of vision, as a number of my conservative Jewish friends do, but no one would label it, as Frank describes the Republican votes of the less well - off, a «species of derangement.»

Neo-Darwinism at present holds the ascendancy in the eyes of biologists, partly owing to a clearer and more statistically substantiated definition of «the fittest», but principally because of the immense part, now recognized by modern genetics, played by the «action of large numbers» in the formation of species.

It follows that, if the discrepancy between the number of possible states and the number of possible samples is large enough, we can assert without fear of contradiction that no two members of a class, e.g., no two members of an animal or plant species, not even two bacteria, can ever be in the same internal state.

There's a giant billboard with the famous silhouette of man's evolution from earlier species crossed out in red, followed by a caption to call an 800 number for the «real» Christian truth of genesis.

Mark, as a vast number of our species needs a security blanket and do good deeds in hope of a reward (just as horrible deeds are also done for the same reward) yes there are many positives.

Such things should lead our species forward, yet there remains a large number of people who do not interact or relate very well to the real world.

only 30 percent of this planet are christians but they are the most dominant, there are millions of species living now in our planet but only 1 that is us who are dominant and significant, so its not the numbers but the influence

In those words, and the words of many others, I think we can see the outline of an ethic that avoids self - indulgence yet does not deny the physical facts of a planet with 6 billion people who may soon nearly double their numbers — a planet that grows hotter, stormier and less stable by the day, a planet where huge swaths of God's creation are being wiped out by the one species told to tend this particular garden.

The days (or the millennia) of every living form are by statistical reckoning ineluctably numbered; so much so that, using the scale of time furnished by the study of certain isotopes, it is beginning to be possible to calculate in millions of years the average life of a species.

If someone were to create this planet, universe, and all the life that exists, they wouldn't waste their time creating 350,000 different species of beetles, or 12,000 different species of roundworm, or the countless number of other species that have inhabited the earth.

I will use «secular humanism» as a label for the post-Enlightenment, nontheistic faith of the large and growing number of Westerners who have abandoned Judaism or Christianity without adopting another species of organized religion.

According to evolutionary psychology, the emergence of the human species was accompanied by a change in reproductive strategy, a switch to producing a smaller numbers of offspring whose parents made a correspondingly greater investment in seeing them reach adulthood.

Again, a strong fossil record indicating common descent from species up through the class levels which has validated a number of evolutionary predictions.

A slight, slight change in any number of conditions eons ago may have led to no life at all arising o this planet, or even a species of dinosaur rising to our position, sitting in front of their computers, debating just how likely their existence was.

There is a direct relation between the area of a natural habitat and the number of species it can sustain.

As Dawkins notes, if we filled every so called «gap» in the fossil record with an intermediate species, the «Talking Snake» crowd would just claim that the number of gaps had just doubled.

If a drought wipes out 80 % of a species in an area, and the drought persists, it wouldn't be surprising if the ones that had survived had evolved into a new species within a relatively small number of generations.

Of this species, however, there exist a great number of varieties, distinguished bv the size and shape of the fruits, and their milder or sharper flavouOf this species, however, there exist a great number of varieties, distinguished bv the size and shape of the fruits, and their milder or sharper flavouof varieties, distinguished bv the size and shape of the fruits, and their milder or sharper flavouof the fruits, and their milder or sharper flavour.

Adopting of monocrops and uniform cultivars, which are reducing the number of genetically viable species used in agriculture.

Rustic shade had the highest number of pollinating species (12), closely followed by polyculture shade (11).