Important Terms
Asymmetrical => having parts that fail to correspond to one another in shape, size, or arrangement; lacking symmetry
Dioecious => Having the male and female reproductive organs borne on separate individuals of the same species.
Epidermis => An outer layer of cells or the cellular covering of an organism.
Flagellum => Long hairlike structure that functions in cellular locomotion.
Gemmules => a tough-coated dormant cluster of embryonic cells produced by a freshwater sponge for development in ___more favorable conditions.
Invertebrate => An animal that lacks a vertebral column (backbone).
Monoecious => (of a plant or invertebrate animal) having both the male and female reproductive organs in the same ___individual; hermaphrodite. Compare with dioecious.
Osculum => A large aperture in a sponge through which water is expelled.
Ostia => The openings into the body of a sponge.
Porifera => A phylum of aquatic invertebrate animals that comprises the sponges.
Spicules => A support structure of sponges. A spicules can be composed of calcium carbonate, silica, or the protein ___spongin.
Spongin => A structural protein in some sponge spicules
Spongocoel => A spacious, water-filled cavity within the body of a sponge.
Dioecious => Having the male and female reproductive organs borne on separate individuals of the same species.
Epidermis => An outer layer of cells or the cellular covering of an organism.
Flagellum => Long hairlike structure that functions in cellular locomotion.
Gemmules => a tough-coated dormant cluster of embryonic cells produced by a freshwater sponge for development in ___more favorable conditions.
Invertebrate => An animal that lacks a vertebral column (backbone).
Monoecious => (of a plant or invertebrate animal) having both the male and female reproductive organs in the same ___individual; hermaphrodite. Compare with dioecious.
Osculum => A large aperture in a sponge through which water is expelled.
Ostia => The openings into the body of a sponge.
Porifera => A phylum of aquatic invertebrate animals that comprises the sponges.
Spicules => A support structure of sponges. A spicules can be composed of calcium carbonate, silica, or the protein ___spongin.
Spongin => A structural protein in some sponge spicules
Spongocoel => A spacious, water-filled cavity within the body of a sponge.