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VERTEBRATES - Animals having a backbone, or a spinal column, including mammals, fishes, birds, reptiles, and amphibians. Site Usage: Mammals - Desert Wildlife The mammals are the class of vertebrate animals primarily characterized by the presence of mammary glands in the female which produce milk for the ... Pinyon Pine, REGENERATION PROCESSES Because singleleaf pinyon seeds are totally wingless, seed dispersal is dependent on vertebrate dispersers that store seeds in food caches, where unconsumed ... Kawaiisu Indians Natural History: Geology Forty vertebrate fossil sites have been recorded along this creek and in several branching canyons. As recently as one million years ago, Cache Creek flowed ... More definitions of VERTEBRATES Animals that have backbones. >> Reference Animals with backbones >> Reference every animal with a notocord (spinal cord). Humans, grizzly bears, penguins, snakes, and even the lowly tunicate are all vertebrates >> Reference Animals with backbones, including fish, amphibians, reptiles, birds, and mammals. Compare invertebrates. >> Reference animals that possess a backbone and an internal skeleton made of bone or cartilage. The individual bones which make up the spine or backbone are the vertebrae . >> Reference A major group of chordates, with a skull surrounding a well-developed brain, and a skeleton of cartilage or bone. Includes the fish, amphibians, reptiles, birds and mammals. >> Reference Organisms that possess a backbone. This backbone consists of ring-like bones (vertebrae) that serve as support for the organism and protect soft spinal cord tissue. Vertebrates first appeared during the Cambrian era, over 500 million years ago. >> Reference Organisms with backbones and internal skeletons. >> Reference Animals having a backbone, or a spinal column, including mammals, fishes, birds, reptiles, and amphibians. >> Reference Vertebrata is a subphylum of chordates, specifically, those with backbones or spinal columns. The bones of the spinal column (or vertebral column) are called vertebrae. Vertebrata is the largest subphylum of chordates, and contains most animals with which people are generally familiar (except insects). Fish (including lampreys but excluding hagfishes), amphibians, reptiles, birds, and mammals (including humans) are vertebrates. ... >> Reference |
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