1 Grow at an angle toward the next tooth (second molar) 2  Grow at an angle toward the back of the mouth. 3  Grow at a right angle to the other teeth, as if the wisdom tooth is lying down within the jawbone.  Grow straight up or down like other teeth but stay trapped within the jawbone.
Look up lentic in Wiktionary, the free dictionary. A lake ecosystem includes biotic (living) plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions. Lake ecosystems are a prime example of lentic ecosystems. Lentic refers to stationary or relatively still water, from the Latin lentus, which means sluggish. Lentic waters range from ponds to lakes to wetlands, and much of this article applies to lentic ecosystems in general.
Lake Formation. A natural lake is a fairly large body of water occupying an inland basin (low-lying geographic area). Lakes cover only about 1 percent of the continents, and contain less than 0.02 percent of the world's water, but they are important ecosystems and may be sources of water supply in certain regions.