Sentences with phrase «shaping variation in»

Both evolutionary and developmental biologists have always been fascinated by the mechanisms shaping the variation in color patterns across the tree of life.
The authors conclude that great tit neighborhood structure is likely to be a relevant in shaping variation in territorial birdsong.
Using an evolutionary framework, the researchers found that the shape of an egg correlates with flight ability, suggesting that adaptations for flight may have been critical drivers of egg - shape variation in birds.
Linear metrics (cerebral lobe dimensions and sulcal lengths) and principal component scores of cortical shape variation in 206 chimpanzees and 218 human brains.
Symphyseal shape variation in extant and fossil hominoids, and the symphysis of Australopithecus bahrelghazali.
Understanding the forces that shape variation in host - associated bacterial communities within - and between host species is key to understanding the evolution and maintenance of metaorganisms.

Not exact matches

«This unusually big variation in brightness means that the object is highly elongated: about 10 times as long as it is wide, with a complex, convoluted shape,» said Karen Meech from the Institute for Astronomy in Hawaii.
If the fundamental laws of connection changed altogether with variations, for instance, in the shape or size of bodies, or if the laws governing the behavior of a complex had no relation whatever to the laws governing the behavior of its parts when belonging to other complexes, there could hardly be a limitation of independent variety in the sense in which this has been defined.
In advocating the use of donors and surrogates, he says that «rather than undermine family, these practices present new variations of family and community that could help fill the void left by flux in the shape of the American family.&raquIn advocating the use of donors and surrogates, he says that «rather than undermine family, these practices present new variations of family and community that could help fill the void left by flux in the shape of the American family.&raquin the shape of the American family.»
Also evident is the extreme variation in shape — we'll get back to that later.
Vanillekipferl — the most popular Austrian Christmas cookie comes in the shape of vanilla - scented, buttery crescents Linzerkekse — the famous Austrian linzer cookie, made of nutty almond dough, sandwiched together with raspberry preserve Ginger linzer cookies with butter caramel — another variation of the linzer cookies
The chiltepin and related bird peppers, the wild forms of the cultivated species, are known to chileheads, but their variations in pod shape and size are not readily apparent.
There is a wide variation in pod shapes, from tiny ones the size and shape of BBs to elongated pods a half inch long.
It is also evident that there's an extreme variation in fruit shape, even on the same plant, and even off the same node.
The following year's crop will produce some hybrids, which are discernible by extensive pod variation in shape and size on the same plant.
The shape had become his trademark after success with Juventus and the Italian national team — but three at the back was still a rare sight in England, where four defenders was canon and any numerical variation happened farther up the field.
The average position diagrams below, taken from all eight last - 16 matches, demonstrate that while it remains the most popular shape in the international game, variations in tactics mean that it is being deployed in very different ways.
And so salads, in all shapes and sizes and variations, become a favorite.
* Due to the natural construction of this item, slight variations in shape and color may occur.
All of these variations in nipple size and shape are normal, and breastfeeding can be successful with each of these types of nipples.
It's shaped like the classic yellow fellow and comes in any one of six color variations.
HELPFUL HINTS FOR SIZING YOUR BELLY BANDIT Due to the variations in size and shape of women's bodies, we realize it may be difficult to size yourself for a Belly Bandit.
Keep in mind, you may not see these shapes exactly — variations (ranging from mild to moderate to severe) and even combinations of these shapes can occur.
The 2015 Study is themed Voters in Context and is designed to help our understanding of long - term political change, and the role of national and sub-national variations in the political and social context in shaping citizens» attitudes and behaviour.
An asymmetric shape can be created through variations in the thickness or stretchiness of the membrane, or the arrangement of molecular constituents like collagen.
BOX 15, A-15-6; 30219214 / 734997 SAPA Part B - 1st Draft, c. 1972 Using Numbers - Numbers and the Number Line, JRM Observing - Observing the Weather Measuring - Making Comparisions Using a Balance, JE Alternate Auto - Instructional, Measuring 1 - 4 / Measuring Area, Gillis Classifying - Trees in our Environment, JRM, c. 1972 AAAS - Xerox Film Loops Guide, A11 Exercises - Shapes and Symmetry, Hansen, 1972 SAPA Part B - 1st Draft, 1972 Observing - Observing Color and Color Changes in Plants, HM Communicating - Identifying Objects and their Variations, RN Communicating - Different Kinds of Forces, AHL Communicating - Graphs, JRM Classifying - Observing Living and Nonliving Things, Smith Using Space / Time Classifying - Animals in Our Environment: Part B (alternate) Using Space / Time - Shadows, Smtih Alternate (Autoinstructional)- Using Numbers - Numbers and the Number Line Observing - Observing Soils, JRM SAPA Part B 2nd Draft, 1972 Measuring Area 1 - 4, CCP Measuring 1 - 4, Volume of Solids, Alternate 2, CCP Measuring 1 - 4, Volume of Solids, Alternate 1, CCP Measuring Length 4 - 6, Linear Measurement Using Metric Units, CCP Communicating - Intro to Graphing, JRM Communicating - Pushes and Pulls, AHL Communicating - Identifying Objects and Their Variations, RN Classifying - Trees in Our Environment, JRM Classufying - Observing Living and Nonliving Things, Smith Observing - Observing Color and Color Changes in Plants and Observing Changes in Mold Gardens, HGM Observing (alternate)- Observation, Using Several of the Senses, HGM, c. 1972 Using Numbers - Numbers and the Number Line, JRM Measuring - Making Comparisions Using a Balance, JWE Using Space / Time - Shadows, Smith Using Space / Time Relationships - Time Intervals, HGM Observing 10 - Observing the Weather, JWE Observing - Observing Soils Using Several of the Senses, JRM SAPA Part B Tryout Draft, 1972 Communicating - The Same but Different Observing 10 - Observing the Weather Observing 9A - Observing Soils Observing (alternate)- Using Several of the Senses Observing - Observing Change Classifying - Trees in Our Environment Classifying - Observing Living and Nonliving Things SAPA Part B, Observing - Changes in Molds and Other Plants, c. 1972 SAPA Part B Tryout Draft, 1972 Observing - Observing Changes in Plants Observing - Changes in Mold and Green Plants Measuring - Making Comparisions Using a Balance Measuring Length - Linear Measurement Using Metric Units Measuring Volumes of Solids, 1 - 4 Communicating - Pushes and Pulls Comparing Area, c. 1972 Using Space / Time Relationships - Shadows, 1972 Addition of Postive Numbers, Sums 1 - 99 (not being tried) SAPA Part B 3rd Draft (alternate), Using Numbers - Numbers and the Number Line, 1972 SAPA Part C 1st Draft, 1972 Classifying - Classifying Components of Mixtures, Livermore Inferring 2 - How Certain Can You Be?
There was considerable variation in the onset of stretching, and chains with a dumbbell shape stretched more rapidly than folded ones.
Etienne Artigau of the Gemini South Observatory in Chile and colleagues observed the brown dwarf SIMP0136 every night for five days and found variations in brightness each time they looked, as if light and dark areas were moving or changing shape.
Juries are willing to put people to death based upon the variations in DNA, but they're not willing to understand the mechanism that creates that variation and shapes what makes humans different from other things.
Meanwhile, at Stanford University, materials scientist Zhenan Bao and collaborators cut pyramid - shaped holes in an elastic polymer to produce variations in capacitance, the ability to hold an electric charge.
Differences in age and sex, says Tattersall, can not account for the wide variation in features such as jaw and brow shape not only among Dmanisi skulls, but also when compared with H. erectus fossils from other sites.
Animals have incredible variation in their body shapes and ways of life, including the plant - like, immobile marine sponges that lack heads, eyes, limbs and complex organs, parasitic worms that live inside other organisms (e.g. nematodes, platyhelminths), and phyla with eyes, skeletons, limbs and complex organs that dominate the land in terms of species numbers (arthropods) and body size (chordates).
Karen Meech explains the significance: «This unusually large variation in brightness means that the object is highly elongated: about ten times as long as it is wide, with a complex, convoluted shape.
Scientists already knew that variation in shape, size and colour of individual flowers can influence how their pollen is spread by visiting insects or birds.
Many species show substantial variation in organ size and shape that could be produced by regional differences in scaling.
Researchers had to sift through 100 square - meters of forest floor for every four or five of the rare specimens, then use a high - power microscope and micrometer measuring tool to note variations in size, the shape of their mandibles, and patterns of hair on their exoskeletons — all defining characteristics of individual species.
The new report describes experiments in mice showing how genetic variation in a host animal shapes the microbiome — a rich ecosystem of mostly beneficial microorgannisms that resides in the gut — and sets the table for the onset of metabolic disease.
The same was true for the medium ground finch, a species with lots of variation in bill shape.
Variations in wave frequencies and amplitudes can give rise to an infinite number of shapes, the French mathematician J. B. Fourier noted in 1807.
But with such a large group of eggs, he says, researchers can make quantitative measurements to better understand the range of egg sizes and shapes to get a sense of variation in animal size.
«For the first time, this enables us to «see inside» these molecules floating in solution to understand the internal density variations instead of only seeing the outer edges or «envelope» of the particle shape,» Grant said.
Existing satellite maps of the area have estimated trees» carbon content based largely on their height, but have not accounted for large regional variations in their shape and density.
«We speculate that their identification in our analysis suggests that sun exposure may have shaped Neanderthal phenotypes and that gene flow into modern humans continues to contribute to variation in these traits today.»
But the finished products are far from traditional: by completely reinventing the old methods and letting go of some of the traditions, lace no longer functions as just a piece of two - dimensional fabric, but becomes art in an enormous variation of sizes, shapes and dimensions.
Despite incredible variation in size and shape, eyes come in just two basic models.
In the broadest sense, this variation in shapes is known as cell polarity, and it is an essential property for a variety of cell functionIn the broadest sense, this variation in shapes is known as cell polarity, and it is an essential property for a variety of cell functionin shapes is known as cell polarity, and it is an essential property for a variety of cell functions.
And the variation in skull size and facial shape is no greater than in other species, including both modern humans or chimps, says Ponce de León — especially when the growth of the jaw and face over a lifetime are considered.
However, the sulci told a different story: Closely related humans had considerably more variation in shape and placement of the squiggly grooves in their cortexes than did chimpanzees.
In the distant past, climate variations may have shaped the very nature of our species.
«The PRSS53 enzyme functions in the part of the hair follicle that shapes the growing hair fiber, and this new genetic variation, associated with straight hair in East Asians and Native Americans, supports the view that hair shape is a recent selection in the human family.»
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