Sentences with phrase «animal size increases»

Second, combining the idea that large animals are disproportionately important for the spread of nutrients with the natural rule that animal size increases over time, means the planet may have a Gaia - like mechanism of increasing fertility over time.

Not exact matches

As animals get larger in size, their metabolism must increase at a slower rate than their volume.
If the surface area were all that mattered, an animal's metabolism would increase as its size increased, at the rate q0 a M2 / 3 (two - thirds being the exponent in the surface are to volume relationship: S a V2 / 3), yet Kleiber's Law, instead, is obeyed even here, ie q0 aÊM3 / 4.
Nearly all modern fruits, vegetables, meats and animal products are derived from thousands of years of selective breeding to increase size and fat / sugar content.
Obviously, these things are added to food because they perform some type of purpose, whether it be keeping insects off the crops, increasing the size of crops or animals, preserving food to last longer or make it more tender.
Previous studies in older adults and in animals have shown that exercise can increase the size of the hippocampus.
They also suggest that metabolism increases with size more than an animal's ability to gather food, putting a boundary on how big aquatic mammals can grow.
Page and his colleagues, who use animal models to understand how autism risk factors impact the developing brain and to identify potential treatments for the condition, have found that animals with mutations in the autism risk gene phosphatase and tensin homolog (Pten) mimic aspects of autism, including increased brain size, social deficits and increased repetitive behavior.
«It's probably too early to conclude exactly which geochemical changes in the Ediacaran oceans were responsible for the shift to large body sizes, but there are strong contenders, especially increased oxygen, which animals need for respiration.»
«As animals increase in size, the amount of body surface area per volume decreases — an ant has a lot of surface area and very little volume, and a blue whale is mostly volume with not much surface area» explains Labonte.
A study in the Journal of the Royal Society Interface found that as mammalian animals increase in size, their feet do not scale up accordingly — but there is a general increase in the stiffness of the footpad.
«The reason we have more neurons than any other animal alive is that cooking allowed this qualitative change — this step increase in brain size,» she says.
«Size of domestic animals has increased over time.»
«The increase in animal size is normally linked to improvements of an environmental type (for example to new ways of feeding) or of a genetic type (for example, by importing larger animals).
(A) The germline of a wild type adult hermaphrodite animal with small lipid containing structures in oocytes and an increase in their number and size during oogenesis.
Now, in a new study in the journal Cancer Cell, Shaw and a team of scientists at the Salk Institute for Biological Studies found that phenformin, a derivative of the widely - used diabetes drug metformin, decreased the size of lung tumors in mice and increased the animals» survival.
The reason for this is to increase the size of the animals before slaughtering.
Because while no human studies have confirmed this effect, numerous animal studies have demonstrated it reliably, showing overall muscle size increases in the order of 300 % (which is HUGE).
With Animal Pak as the nutritional foundation, Animal Test can specifically help target muscular hypertrophy or the growth of skeletal muscle through the increase in the size of its component cells.
In the interim, our family size contracted, our relatives tend to live farther away, we are living longer, our disposable incomes have increased, the human / animal companion bond has grown closer and veterinary medicine has become enormously more sophisticated and able to offer life - saving but costly treatments.
· Fortune cookies · Scrapbook memories · Perfect fruit · Increased inventory size · New animal requests · New bugs and fish · New push notifications
In other cases, animals living in higher and colder climates, like marmots, have increased their body size in response to a longer growing season.
By analysing the size and isotopes of fossils collected in the Bighorn Basin, researchers traced the evolution of Sifrhippus from an estimated 12 - pound animal that shrank during a 130,000 - year period about 30 percent to 8.5 pounds - the size of a small house cat - then increased to about 15 pounds during the next 45,000 years.
Island gigantism (also called insular gigantism) is a biological phenomenon wherein the size of an animal on an island increases significantly compared to its relatives on the mainland.
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