water-inhabiting plankton
31acarid — /ak euh rid/, n. 1. an acarine, esp. a mite of the family Acaridae. adj. 2. of or pertaining to an acarid. [1875 80; ACAR(US) + ID2] * * * ▪ arachnid Introduction any member of the subgroup of the arthropod class Arachnida that includes the …
32benthos — /ben thos/, n. the biogeographic region that includes the bottom of a lake, sea, or ocean, and the littoral and supralittoral zones of the shore. Also called benthic division, benthonic zone. [1890 95; < Gk bénthos depth (of the sea); akin to… …
33tuna — tuna1 /tooh neuh, tyooh /, n., pl. (esp. collectively) tuna, (esp. referring to two or more kinds or species) tunas. 1. any of several large food and game fishes of the family Scombridae, inhabiting temperate and tropical seas. Cf. albacore,… …
34Speciation — Part of a series on Evolutionary Biology …
35Doomsday device — This article is about the theoretical world ending destruction. For the professional wrestling maneuver, see Doomsday Device. Doomsday machine redirects here. For other uses, see Doomsday machine (disambiguation). Many hypothetical doomsday… …
36Combtooth blenny — Combtooth blennies Scartella cristata Scientific classification Kingdom …
37Pleurobranchidae — Taxobox name = Pleurobranchidae image caption = regnum = Animalia phylum = Mollusca classis = Gastropoda subclassis = Orthogastropoda superordo = Heterobranchia ordo = Opisthobranchia subordo = Notaspidea familia = Pleurobranchidae familia… …
