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Ch 19 G.H. Biology
Guest Hollow Biology Chapter 19 vocab
| Term | Definition |
|---|---|
| bone | hard tissue in most vertebrates that consists of a collagen matrix, or framework, filled in with minerals such a calcium |
| cartilage | dense connective tissue that provides a smooth surface for the movement of bones at joints |
| cranium | part of a vertebrate endoskeleton that encloses and protects the brain, also called the skull |
| ectothermy | regulation of body temperature from the outside through behavioral changes such as basking in the sun |
| endothermy | regulation of body temperature from the inside through metabolic or other physical changes |
| immune system | body system that consists of skin, mucous, membranes, and other tissues and organs that defends the body from pathogens and cancer |
| kidney | main organ of the excretory system that filters blood and forms urine |
| ovipary | type of reproduction in which an embryo develops within an egg outside the mother’s body |
| ovovivipary | type of reproduction in which an embryo develops inside an egg within the mother’s body but in which the mother provides no nourishment to the developing embryo in the egg |
| vertebrae (singular, vertebra) | repeating bony units that make up the vertebral column of vertebrates |
| vivipary | type of reproduction in which an embryo develops within, and is nourished by, the mother’s body |
| fish | ectothermic, aquatic vertebrate with a streamlined body and gills for absorbing oxygen from water |
| spawning | depositing large numbers of gametes in the same place and at the same time by fish or amphibians |
| swim bladder | balloon-like internal organ in most fish that can be used to move up or down through the water column by changing the amount of gas it contains |
| amphibian | ectothermic, tetrapod vertebrate that may live on land but must return to water in order to reproduce |
| cloaca | body cavity with a single opening in amphibians, reptiles, and monotreme mammals that collects and excretes wastes from the digestive and excretory systems and gametes from the reproductive system |
| keratin | tough, fibrous protein in skin, nails, and hair |
| tetrapod | vertebrate with four legs (amphibian, reptile, bird, or mammal) |
| diaphragm | large, sheet-like muscle below the lungs that allows breathing to occur when it contracts and relaxes |
| reptile | ectothermic, tetrapod vertebrate that lays amniotic eggs, includes crocodiles, lizards, snakes, and turtles |
| bird | bipedal, endothermic, tetrapod vertebrate that lays amniotic eggs and has wings and feathers (DUH!) |
| courtship | animal behavior that is intended to attract a mate |
| crop | sac-like structure in the digestive system of birds that stores and moistens food before it is digested |
| generalist | organism that can consume many different types of food |
| gizzard | food-grinding organ in the digestive system of birds and some other animals that may contain swallowed stones |
| incubation | period of bird reproduction when one or both parents sit on, or brood, the eggs in order to keep them warm until they hatch |
Created by:
khirschy
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