autotheca
autotheca One of the three types of graptolite thecae, possibly containing the female zooid. See GRAPTOLITHINA; GRAPTOLOIDEA; and DENDROIDEA. Compare BITHECA; and STOLOTHECA.
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Monotype , Monotype •gripe, hype, mistype, pipe, ripe, sipe, slype, snipe, stripe, swipe, tripe, type, wipe •guttersnipe • bagpipe • standpipe •tailpipe • drain… Archegonium , Skip to main content
archegonium
archegonium (pl. archegonia) The multicellular flask-shaped female sex organ of bryophytes, clubmosses, horsetails,… subtype , subtype A relationship between data types. Type T1 is a subtype of type T2 if the set of all possible values of T1 is a subset of the set of all poss… carpogonium , carpogonium (pl. carpogonia) The female gametangium of the red algae (see Rhodophyta). Carpogonia, which are found at the tips of the female gametoph… Three-spined stickleback , three-spined stickleback (Gasterosteus aculeatus) See GASTEROSTEIDAE.
Gasterosteus aculeatus (threespined stickleback) See GASTEROSTEIDAE. mating type , mating type The equivalent in lower organisms (especially micro-organisms) of sexes in higher organisms. Microorganisms may be subdivided into mating…
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autotheca