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4 days ago · The word vertebrate derives from the Latin word vertebratus ( Pliny ), meaning joint of the spine. [11] A similarly derived word is vertebra, which refers to any of the irregular bones or segments of the spinal column.
4 days ago · A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia ( / məˈmeɪli.ə / ). Mammals are characterized by the presence of milk -producing mammary glands for feeding their young, a neocortex region of the brain, fur or hair, and three middle ear bones.
Jul 7, 2024 · fish, any of approximately 34,000 species of vertebrate animals (phylum Chordata) found in the fresh and salt waters of the world. Living species range from the primitive jawless lampreys and hagfishes through the cartilaginous sharks, skates, and rays to the abundant and diverse bony fishes.
4 days ago · See text for extinct groups. Reptiles, as commonly defined, are a group of tetrapods with an ectothermic ('cold-blooded') metabolism and amniotic development. Living reptiles comprise four orders: Testudines ( turtles ), Crocodilia ( crocodilians ), Squamata ( lizards and snakes ), and Rhynchocephalia (the tuatara ).
5 days ago · Advanced vertebrate animals, a group that includes humans, defend themselves against such microorganisms by means of a complex group of defense responses collectively called the immune system.
Jul 7, 2024 · Moreover, the diverse range of precise movements made possible by this skeleton facilitates all sorts of locomotory patterns: swimming, digging, running, climbing, and flying. Jointed skeletons are also used directly for feeding (jaws). Arthropod jaws are derived from legs, while vertebrate jaws are derived from gill arches.
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Jul 6, 2024 · Biology document from Valencia College, 12 pages, BSC 2011 Laboratory Vertebrate Diversity All organisms within the Phylum Chordata share five defining characteristics: 1) pharyngeal gill slits, 2) post-anal tail, 3) dorsal, hollow nerve cord, 4) notochord, and 5) endostyle / thyroid gland. Many chordate.
4 days ago · Reptiles are a class of vertebrate animals that share similar characteristics such as scaly skin, cold-bloodedness, and the ability to lay eggs. They are found in all regions of the world except for the polar and tundra regions, those of extremely low temperatures.
Jul 6, 2024 · The vertebrate skeleton is buried under skin and muscle. Within the body, skull, and vertebral bones encase the brain and spinal cord, while ribs protect the heart and other organs.
Jul 6, 2024 · Vertebrate Anatomy and Embryology, which publishes studies that deal with adaptational mechanisms and evolutionary principles of development, molecular taxonomy and teratogenicity, as well as biodiversity and fish biology
