One-celled
11cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
12animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… …
13bacteria — bacterial, adj. bacterially, adv. /bak tear ee euh/, n.pl., sing. bacterium / tear ee euhm/. ubiquitous one celled organisms, spherical, spiral, or rod shaped and appearing singly or in chains, comprising the Schizomycota, a phylum of the kingdom …
14mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots …
15Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
16reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… …
17protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… …
18Willow — Salix redirects here. For other uses, see Salix (disambiguation). Osier redirects here. For the ghost town, see Osier, Colorado. For other uses, see Willow (disambiguation). Willow Salix alba Vitellina Tristis …
19Protist — Taxobox | color = khaki name = Protist fossil range = Neoproterozoic Recent image width = 250px image caption = domain=Eukarya domain authority=Whittaker Margulis, 1978 regnum = Protista* regnum authority = Haeckel, 1866 subdivision ranks =… …
20desmid — desmidian, adj. /dez mid/, n. any single celled freshwater algae of the family Desmidiaceae, characterized by a division of the body into mirror image halves joined by a bridge containing the nucleus, and having a spiny or bristly exterior:… …
