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Feather development occurs in the epidermal layer of the skin in birds.It is a complicated process involving many steps. Once the feathers are fully developed, there are six different types of feathers: contour, flight, down, filoplumes, semiplumes, and bristle feathers.
A hedge or hedgerow is a line of closely spaced (3 feet or closer) shrubs and sometimes trees, planted and trained to form a barrier or to mark the boundary of an area, such as between neighbouring properties. Hedges that are used to separate a road from adjoining fields or one field from another, and are of sufficient age to incorporate larger ...
One of the essential issues in developmental psychobiology is the Morphology problem of proper nervous system development. This direction of research attempts to explain the precise coordination of all cells in space and time during embryological processes of cells and tissue differentiation for the shaping of the particular nervous system structure.
A schema is a script that has the potential to lack the specificity of the sequence of events. A schema being a script is when there is an ordering to it that requires action, an example of that being the process of starting up a car (get in, put on your seatbelt, turn the car on, turn off the emergency brake, etc.).
Whether the contour is straight or curved, The vertex that is formed when two or three contours coterminate (that is, end together at the same point), in the image, i.e., an L (2 contours), fork (3 contours with all angles < 180°), or an arrow (3 contours, with one angle > 180°), and
An evolutionary landscape is a metaphor [1] or a construct used to think about and visualize the processes of evolution (e.g. natural selection and genetic drift) acting on a biological entity [2] (e.g. a gene, protein, population, or species). [3]
A hedge or hedgerow is a line of closely spaced shrubs planted to act as a barrier or boundary. Hedgerow may also refer to: Hedgerow (weapon), a variant of the Hedgehog anti-submarine mortar used to support amphibious assaults; All the Rivers (Hebrew: גדר חיה Gader Chaya, literally: Hedgerow), a 2014 novel written by Dorit Rabinyan ...
Satyrium saepium, the hedgerow hairstreak, is a butterfly of the family Lycaenidae. It is found in western North America, [ 1 ] from British Columbia south through California into Baja California and east through northern Arizona to northern New Mexico , Colorado and Montana .