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Hydra (/ ˈ h aɪ d r ə / HY-drə) is a genus of small freshwater hydrozoans of the phylum Cnidaria.They are solitary, carnivorous jellyfishlike animals [2], native to the temperate and tropical regions.
Hydrilla (waterthyme) is a genus of aquatic plant, usually treated as containing just one species, Hydrilla verticillata, though some botanists divide it into several species.
The hydra have four to twelve tentacles that protrude from just outside the mouth. They feed by extending their tentacles and waiting for food to touch the tentacles. They then bring the food to their mouth, ingest and digest the organism.
Hydra viridissima is a species of cnidarian which is commonly found in still or slow-moving freshwater [2] in the Northern temperate zone. Hydra viridissima is commonly called green hydra due to its coloration, which is due to the symbiotic green algae Chlorella vulgaris which live within its body. [3]
The hydria (Greek: ὑδρία; pl.: hydriai) is a form of Greek pottery from between the late Geometric period (7th century BC) and the Hellenistic period (3rd century BC). [1] The etymology of the word hydria was first noted when it was stamped on a hydria itself, its direct translation meaning 'jug'. [2]
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
The 2,500-year-old hydria, signed by Athenian potte. The British Museum has lent for the first time in 250 years an ancient Greek water vase, the Meidias hydria, to the Acropolis Museum in Athens ...
Latin/Greek Language English Example Search for titles containing the word or using the prefix: acanthus etc.: G ἄκανθος (ákanthos): thorny, spiny: Acanthus plant; Parorchis acanthus, a flatworm