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.&raqu
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.&raqu
in 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 function
In the broadest sense, this
variation in shapes is known as cell polarity, and it is an essential property for a variety of cell function
in 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.»