an estimate, often itemized, of expected income and expense for a given period in the future. a plan of operations based on such an estimate. an itemized allotment of funds, time, etc., for a given period. the total sum of money set aside or needed for a purpose: the construction budget.
Kingdom Animalia, Phylum Cnidaria The phylum Cnidaria includes organisms with a variety of radially symmetrical forms; all are carnivores. The life cycle of some cnidarians includes both a medusa (jellyfish) stage and a polyp (attached) stage. Medusae are usually free-floating, and often produce gametes. Polyps are fleshy columns with an attachment at one end and a mouth and tentacles at the other end.
Cnidarians. Cnidarians are a group of invertebrates that includes jellyfish, corals, sea anemones, and hydras. There are between 8,000 and 9,000 species of cnidarians alive today.The articles listed below provide information about the characteristics, classification and evolution of cnidarians.nidarians are a group of invertebrates that includes jellyfish, corals, sea anemones, and hydras.