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A diagram of Paramecium caudatum. Species of Paramecium range in size from 0.06 mm to 0.3 mm in length. Cells are typically ovoid, elongate, or foot- or cigar-shaped. The body of the cell is enclosed by a stiff but elastic structure called the pellicle.
There is much variation among the European whitefish forms, but in general they have a tapered body, a slightly protruding upper jaw and a fleshy dorsal fin that is typical of the salmon family. The snout is short and tapered, a fact that distinguishes this species from the two other North European Coregonus species, vendace ( Coregonus albula ...
A. Morula and B. cross section of a blastula displaying the blastocoel and blastoderm of early animal embryonic development. Blastulation is the stage in early animal embryonic development that produces the blastula. In mammalian development, the blastula develops into the blastocyst with a differentiated inner cell mass and an outer trophectoderm.
The whitefish is part of the salmon family, and the distinctive traits of this subfamily (in comparison to the rest of the salmon family) include larger scales, smaller mouth, weak or no teeth, and other internal characteristics. [6] The round whitefish is a cylindrical fish (hence cylindraceum) and is considered a deep-bodied fish. It is ...
Histogenesis is the formation of different tissues from undifferentiated cells. [1] These cells are constituents of three primary germ layers , the endoderm , mesoderm , and ectoderm . The science of the microscopic structures of the tissues formed within histogenesis is termed histology .
Lox, smoked whitefish, cream cheese, and bagels. Freshwater whitefish is known for its mild flavor and high omega-3 fatty acid content. [14] It is generally favored by those who dislike stronger fishy taste. [14] Lake whitefish is one of the most commonly consumed varieties of freshwater whitefish. [14]
The Alaska whitefish (Coregonus nelsonii) is a species of whitefish in the family Salmonidae. It is found in parts of northwestern North America, where it occurs only in small and large rivers, and rarely in lakes. The maximum length recorded for this species is 56.0 cm (22.0 in).
The mountain whitefish (Prosopium williamsoni) is one of the most widely distributed salmonid fish of western North America. [3] It is found from the Mackenzie River drainage in Northwest Territories, Canada through western Canada and the northwestern USA in the Pacific, Hudson Bay and upper Missouri River basins to the Truckee River drainage in Nevada and Sevier River drainage in Utah.