larger aquatic vegetation
81dinosaur — /duy neuh sawr /, n. 1. any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals. 2. something that is… …
82community ecology — Introduction study of the organization and functioning of communities (community), which are assemblages of interacting populations of the species living within a particular area or habitat. As populations of species interact with one …
83Puget Sound environmental issues — articleissues POV = December 2007 copyedit = January 2007 citationstyle = October 2008The environmental health of Puget Sound, Washington has a diverse and complex history related to a long, involved relationship with marine and freshwater… …
84Polar ecology — is the relationship between plants and animals in a polar environment. Polar environments are in the Arctic and Antarctic regions. Arctic regions are in the northern hemisphere, and it contains land and the islands that surround it. Antarctic is… …
85perciform — ▪ fish order Introduction any member of the order Perciformes, a group of bony fishes with more than 6,000 species placed in about 150 families. The order is the largest group of fishes in the world today. Perciform fishes occur in… …
86amphibian — /am fib ee euhn/, n. 1. any cold blooded vertebrate of the class Amphibia, comprising frogs and toads, newts and salamanders, and caecilians, the larvae being typically aquatic, breathing by gills, and the adults being typically semiterrestrial,… …
87arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… …
88Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …
89Physiology of dinosaurs — Note: In this article dinosaur means non avian dinosaur, since most experts regard birds as an advanced group of dinosaurs. The physiology of dinosaurs has historically been a controversial subject, particularly thermoregulation. Recently, many… …
90carnivore — carnivoral /kahr niv euhr euhl/, adj. /kahr neuh vawr , vohr /, n. 1. an animal that eats flesh. 2. a flesh eating mammal of the order Carnivora, comprising the dogs, cats, bears, seals, and weasels. 3. an insectivorous plant. [1850 55; < L… …
