By Michael Allaby

This dictionary is a accomplished and up to date reference paintings on all facets of the examine of animals. Now absolutely revised for this new version, with over 5,000 entries, it really is perfect for college students and should be helpful to novice naturalists and all people with an curiosity within the topic. Key gains of this moment variation: * large assurance together with animal habit, ecology, body structure, genetics, cytology, evolution, Earth background, zoogeography * complete taxonomic assurance of arthropods, different invertebrates, fish, reptiles, amphibians, birds, and mammals * thoroughly revised to include the new discovery of 'extremophiles'--organisms dwelling in environments previously thought of impossibly hostile--and the taxonomic reclassification that this has entailed * New entries on genetics, evolutionary reports, and mammalian body structure

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Compare TUBEROUS ORGAN. Page 24 ampulliform Flask­shaped or bottle­shaped. amygdaliform Almond­shaped.  Amylases are widely distributed in plants and animals, occurring in microorganisms and, for example, in pancreatic juices and salivary glands. amylolytic Capable of digesting starch. amylopectin A branched­chain *polysaccharide that is found in native starches composed of glucose units joined by a­1,4 glycosidic bonds and at points of branching by a­l,6 bonds. amylose A long, unbranched­chain polysaccharide component of native starch that is composed of *glucose units joined by a­1,4 glycosidic bonds.

They had small heads with insignificant teeth, and some forms were toothless. ankylosaurs See ANKYLOSAURIA.  Their fossils are found in rocks dating from the *Cambrian, and possible fossil annelid worms are known from *Precambrian sediments in southern Australia.  The diet consists mainly of insect larvae. There are two species, both found only in California.  Spawning takes place before the onset of the dry season; the adults then die, but the hardy eggs survive, hatching with the arrival of the rains.

There is one genus, Anhinga, with four species, often considered to be one, found in all the major continents except Europe.  See also CORAL SNAKES. animal A multicellular, heterotrophic organism that develops from an *embryo derived from *gametes produced in specialized organs or surrounded by somatic cells. Typically, animals are *motile, at least during some stage of the life cycle, and have sensory apparatus with which to detect changes in their immediate environment.  See AN­IMALLA. animal behaviour See ETHOLOGY.

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