sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.
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Metatherian
primitive pouched mammals found mainly in Australia and the Americas
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primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.air-breathing arthropods characterized by simple eyes and four pairs of legs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.air-breathing arthropods characterized by simple eyes and four pairs of legs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.horseshoe crab of the coast of eastern Asia
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.chiefly nocturnal predacious arthropod having a flattened body of 15 to 173 segments each with a pair of legs, the foremost pair being…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.used in some classifications; includes the orders Xiphosura and Eurypterida
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp a…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp a…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.reptile having a pair of openings in the skull behind each eye
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.reptile having a pair of openings in the skull behind each eye
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archos…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.large extinct scorpion-like arthropod considered related to horseshoe crabs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.mammals having a placenta; all mammals except monotremes and marsupials
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.mammals having a placenta; all mammals except monotremes and marsupials
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.small nonvenomous arachnid resembling a tailless scorpion
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.
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Words connected by meaning
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the…
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primi…
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.A prefix signifying chief, arch; as, architect, archiepiscopal. In Biol. and Anat. it usually means primitive, original, ancestral; as…
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.A ratlike marsupial animal (genus Perameles) of several species, found in Australia and Tasmania.
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.A harbor on the east coast of Australia, and an English convict settlement there; -- so called from the number of new plants found on…
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.primitive long-bodied carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.A large bird, of the genus Casuarius, found in the east Indies. It is smaller and stouter than the ostrich. Its head is armed with a k…
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.An order of marine mammals, including the whales. Like ordinary mammals they breathe by means of lungs, and bring forth living young w…
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.A chalklike concretion, consisting mainly of urate of sodium, found in and about the small joints, in the external ear, and in other s…
Its definition shares important concepts with this word: primitive, pouched, mammals, found, mainly.
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