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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Eutherian
mammals having a placenta; all mammals except monotremes and marsupials
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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.small nonvenomous arachnid resembling a tailless scorpion
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.animals that nourish their young with milk
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.
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: mammals, placenta, except, monotremes, marsupials.One of several species of edentates and monotremes that feed upon ants. See Ant-bear, Pangolin, Aard-vark, and Echidna.
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.Mammals which have no placenta.
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.any of various agile ratlike terrestrial marsupials of Australia and adjacent islands; insectivorous and herbivorous
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.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: mammals, placenta, except, monotremes, marsupials.(zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not other mammals) at the end of the digestive tra…
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.any of several more or less arboreal marsupials somewhat resembling martens
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.The subclass of Mammalia which includes the marsupials. See Marsupialia.
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.A group of marsupials which are partly insectivorous, as the opossum.
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.Without a placenta, as marsupials and monotremes.
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.A primary division of the Mammalia, including the monotremes and marsupials, in which no placenta is formed.
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.Any one of numerous species of jumping marsupials of the family Macropodidae. They inhabit Australia, New Guinea, and adjacent islands…
Its definition shares important concepts with this word: mammals, placenta, except, monotremes, marsupials.
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