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Predator

/ˈpredətər/ Noun, pl. predators 1. Any animal or other organism that hunts and kills other organisms (their prey), primarily for food (wiktionary.org) 2. Someone who attacks and plunders for gain (wiktionary.org). Word origin: From Latin praedator “plunderer,” from praedari “to...

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Proboscis

/prəˈbäsəs/ Noun, pl. proboscises 1. An elongated appendage from the head of an animal, either a vertebrate or an invertebrate. In invertebrates, the term usually refers to tubular mouthparts used for feeding and sucking. In vertebrates, the term is used to describe an elongated nose or snout. (wikipedia.org) 2. The nose of a mammal, esp. when it is long and mobile, such as the trunk of an elephant (Google Dictionary); the human nose especially when prominent (merriam-webster.com). 4. Any of various elongated or extensible tubular processes (as the sucking organ of a butterfly) of the oral region of an invertebrate. (merriam-webster.com) Word origin: From Latin proboscis (Pliny), from Greek proboskis “elephant’s trunk,” literally “means for taking food,” from pro “forward” + boskein “to nourish, feed,” from boskesthai “graze, be...

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Prokaryote

/prōˈkarēˌōt/ Noun, pl. prokaryotes 1. Any of the group of organisms primarily characterized by the lack of true nucleus and other membrane-bound cell compartments: such as mitochondria and chloroplasts, and by the possession of a single loop of stable chromosomal DNA in the nucleiod region and cytoplasmic structures, such as plasma membrane, vacuoles, primitive cytoskeleton, and ribosomes. 2. Group of organisms, mostly unicellular, whose cells lack a cell nucleus (karyon). (wikipedia.com)   Word origin: from the Greek πρό- (pro-) “before” + καρυόν (karyon) “nut or...

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Proptosis

/präpˈtōsəs/ Noun 1. Forward projection or displacement especially of the eyeball. (biology-online.org) See also...

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