Sentences with phrase «between body size»

The cost of mating and the relationship between body size and fitness in males of the parasitoid wasp Nasonia vitripennis.
«If we're not even certain about the relationship between body size and monogamy today, the mating preferences from 3 or 4 million years ago are going to stay a mystery.»
Although the answer seems obvious, it took a supersize catwalk and a bank of computers to provide fresh data on elephant locomotion and the relationship between body size and energy expenditure
If each generation represents a new opportunity for DNA substitutions, then generation time might explain the relation between body size and the rate of the molecular clock.
The opposite was true in the past — either smaller - bodied species were more likely to go extinct, or there was no association between body size and extinction threat.
The authors conclude: «The findings from this large prospective study show that the association between body size and prostate cancer is complex and varies by disease aggressiveness; men who have greater adiposity have an elevated risk of high grade prostate cancer and prostate cancer death.»
The first, Damuth's law, is an inverse relationship between body size and population density: the bigger the species, the fewer of individuals cohabitate in a given area.

Not exact matches

If every configuration of the universe were subject to a separate and independent law, or if very small differences between bodies — in their shape and size, for instance, — led to their obeying quite different laws, prediction would be fin - possible and the inductive method useless.
This hilarious photo does a great job of showing the massive body size difference between Kelvin Benjamin and Dri Archer.
The area between the legs looked twice the size of a cloth diaper that would actually fit this little body.
Notice the body shape difference between this child and the 25 pound 2 year old above in the size large.
CatBirdBaby has improved the designs for the original Mei Tais by making the body of the Mei Tai larger to enable a better wrap - around effect, and lengthening the supportive straps to create more allowance for use between people of different sizes.
An emerging body of literature in adults has begun to establish clear associations between gut microbiome composition and a wide range of health outcomes.1 - 6 In contrast, comparatively little is known about the gut microbiome in infants and children, the exposures that shape it, and its lifelong health effects.7 Although limited in their size and scope, a number of studies have established associations between intestinal microbiome profiles in infants, delivery mode, and / or breast milk exposure.8 - 15 These factors both have long - term health consequences.
This carrier is great for all body types and sizes, whether the wearer is petite, plus - sized, or anywhere in between.
He rolled out of bed (or got pushed out by the movement of his parents body) and got trapped between the side of the bed and the wall - if he'd been normal baby sized he would have simply fallen on the floor but he ended up asphyxiating.
Also, with electorate nearly equally split over a majority of important issues, the size of the body matters slightly less, but a larger body is more likely to allow passing more laws since you can always trade votes between blocks on random laws that a given block cares less about (e.g. I'll vote for your farm bill if you vote for my factory bill).
«We were surprised to find such a strong relationship between ornaments and huge body size in theropods,» Gates explains.
Scientists have long suggested that similar chemical reactions took place when a collision between Earth and a Mars - sized planetary body produced debris that ultimately formed the Moon.
In the mid-1970s, two groups of astrophysicists independently proposed that the Moon was formed by a grazing collision between a Mars - sized body and the proto - Earth.
The study shows that the parent body from which the meteorite came was a planetary embryo of a size between Mercury and Mars.
The new computer models and the vast amount of data enabled the team to study the correlation between how quickly new species form and how rapidly they evolve new body sizes on a scale that had not previously been possible.
This is because body size not only has numerous implications for function and life history but also has necessary limits that differ between groups of organisms.
While the size of an individual is an important determinant of the maximal workload and maximal oxygen uptake, the absolute values should be scaled by body size or composition to enable comparison between individuals.
Some of the variation the researchers found likely dates back to isolation of different Hermit Thrushes populations by ice sheets during the Pleistocene era, while differences between the two western groups may relate to body size, with larger birds producing lower - frequency songs.
For the first time, Whitehead Institute scientists have documented a direct link between deletions in two genes — fam57ba and doc2a — in zebrafish and certain brain and body traits, such as seizures, hyperactivity, enlarged head size, and obesity.
They tested multiple variables, analyzing how island size, distance from the mainland, maximum sea depth between the mainland and the islands, and latitude relate to body size in the treeshrew populations.
Maximum sea depth between the mainland and islands was a secondary driver of body size, with treeshrews on islands separated from the mainland by deeper waters typically exhibiting larger body size, the researchers said.
That suggests that the size difference between spiders — rather than body size alone — may be the best predictor of whether two males end up in combat.
This inverse relationship between mutation rate and body size also applied to the cytochrome b gene, part of the genome of the energy - processing mito - chondria.
Like other teams positioned in a 1500 - kilometer - wide swath across South America, the astronomers had started out the night with one mission: They intended to measure the size of Chariklo, an icy body that circles the sun between the orbits of Saturn and Uranus.
Another possibility is that K2 - 229b was formed after a huge impact between two giant astronomical bodies in space billions of years ago — much like the theory that the Moon was formed after Earth collided with a body the size of Mars.
There was a weaker correlation between behaviour and respectively pelt size and body weight, but these correlations were not significant.
Researchers measured tracheal tube sizes in tobacco hornworm caterpillars (Manduca sexta) throughout their development and found that, while the rest of the organisms» bodies grow between molts, the tubes do not.
Scientists think the Moon formed from an Earth - orbiting disk of vapor and molten matter produced by a giant impact between Earth and another Mars - sized body approximately 4.5 billion years ago.
That deep divergence helps explain the vast differences between the two species: not just color but also skull shape, body size, teeth, and other traits clearly distinguish the two.
Swimming frequency and other movement factors varied between individual bears and showed differences dependent on age, sex, body size and geographic features of the region.
The link between brain size and social living was first noted in 1850, when scientists identified mushroom bodies in the insect brain.
Body differences between boys and girls before puberty are almost entirely restricted to the genitalia, major differences of size, shape, composition, and function develop in many body structures and systBody differences between boys and girls before puberty are almost entirely restricted to the genitalia, major differences of size, shape, composition, and function develop in many body structures and systbody structures and systems.
Produced using cutting - edge methodology and the largest sample of individual early hominin fossils available, analysis of their results shows that early hominins were generally smaller than previously thought and that the increase in body size occurred not between australopiths and the origins of Homo but later with H. erectus (the first species widely found outside of Africa).
In animals, scaling relationships between appendages and body size exhibit high interspecific variation but low intraspecific variation.
We performed artificial selection on the allometry between forewing area and body size in a butterfly to test for developmental constraints, and then used the resultant increased range of phenotypic variation to quantify natural selection on the scaling relationship.
The inverse correlation between the number of tool - using macaques, prey size and availability, suggests that predation pressure may be the primary cause of shellfish body size and population on these islands.
Paedophryne dekot and Paedophryne verrucosa are only half of the length of the three new additions to the frog diversity of Papua New Guinea, with an astonishingly small body size ranging between 8 - 9 mm.
This aspect must be evaluated in association with the pronounced body - size variation within the sample, which implies marked differences between age ranges and a considerable degree of sexual dimorphism in Au.
In the mid-1970s, two groups of astrophysicists independently proposed that the moon was formed by a grazing collision between a Mars - sized body and the proto - Earth.
The simulations suggest that planetary bodies the size of the moon existed prior to the creation of the earliest chondrules, and that it was the enormous pressures produced by a collision between two such bodies that were responsible for the formation of the glassy spheres.
To get a better sense of the role of chondrules in a fledgling solar system, the researchers first simulated collisions between protoplanets — rocky bodies between the size of an asteroid and the moon.
And in between those large, spherical bodies lie irregularly shaped objects, ranging in size from huge asteroids to rock - sized meteoroids to tiny particles no larger than a grain of dust.
On December 13, 2005, a team of astronomers (led by Lynne Allen) announced the discovery of a new planetary body between one - fifth to one half the size of Pluto, found during routine operation of the Canada - France Ecliptic Plane Survey (CFEPS) as part of the Legacy Survey on the Canada France Hawaii Telescope (CFEPS press release).
A high degree of aesthetics is all about the optimal balance between size, proportion, symmetry, and body fat percentage.
a b c d e f g h i j k l m n o p q r s t u v w x y z