Search results
Results from the WOW.Com Content Network
The coloration of the Papuan frogmouth Podargus papuensis, its outline disrupted by its plumage, its eye concealed in a stripe, is an effective anti-predator adaptation. ...
Natural selection is known to be one of the most important biological processes behind evolution.There are many variations of traits, and some cause greater or lesser reproductive success of the individual.
Chapter 24 considers the reptiles and amphibians. These are noted to be predominantly green, often with "ruptive" patterns. Plate 11 treats a "Copperhead snake on dead leaves", the caption explaining that "This is a bona-fide study of a Copperhead Snake among dead leaves—its normal situation." There is a full-page sheet of card, cut out in ...
And Cott's emphasis on disruptive patterning and (following Thayer) countershading clearly affected the reviewer: "Particularly impressive is the author's treatment of "coincident disruptive coloration", in which a ruptive mark crosses structural boundaries, so as to obliterate visually such ordinarily conspicuous parts as the eye and the limbs ...
Abbrev. [1]Meaning [1] Latin (or Neo-Latin) origin [1]; a.c. before meals: ante cibum a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte ...
Histology picture of xanthoma showing lipid-laden foam cells with large areas of cholesterol clefts, 10 × magnification, eosin and hematoxylin stain [1] A xanthelasma is a sharply demarcated yellowish collection of cholesterol underneath the skin, usually on or around the eyelids.
Irruptive growth is a growth pattern over time, defined by a sudden rapid growth in the population of an organism. Irruptive growth is studied in population ecology. [1] ...
Some of the eruptive structures formed during volcanic activity (counterclockwise): a Plinian eruption column, Hawaiian pahoehoe flows, and a lava arc from a Strombolian eruption