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Zoology semest 2
| Question | Answer |
|---|---|
| Notochord | a rod like cord of cells that forms the chief axial supporting structure of the body of the lower chordates, as amphioxus and the cyclostomes, and of the embryos of the vertebrates |
| Segmentation | the subdivision of an organism or of an organ into more or less equivalent parts |
| Swim Bladder | an air-filled sac near the spinal column in many fishes that helps maintain buoyancy |
| Cartilage | tough, elastic, fibrous connective tissue found in various parts of the body, such as the joints, outer ear, and larynx |
| Tetrapod | a vertebrate animal having four feet or legs or leglike appendages |
| Diapsids | a reptile group, including dinosaurs, crocodiles, snakes and birds that has a pair of skull openings immediately behind the eye socket |
| Anapsids | a reptile group that includes turtles that have no skull openings behind the eye |
| Synapsids | extinct reptile having a single pair of lateral temporal openings in the skull |
| Mentanephric Kidney | more efficient kidney, makes waste like a solid |
| Molting | the process of shedding hair, skin, or an outer layer periodically to be later replaced by new growth |
| Gizzard | thick-walled muscular pouch below the crop in many birds and reptiles for grinding food |
| Placenta | the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus |
| Carnivore | any animal that feeds on flesh |
| Herbivore | any animal that feeds chiefly on grass and other plants |
| Browsers | animals that get their food by sight, see it and eat |
| Ruminants | any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments |
| Estrus | applies to nonhuman mammals |
| Homonid | relating to the Hominoidea, a super-family of primates to which apes and humans are assigned |
| Endostyle | longitudinal ciliated groove on the ventral wall of the pharynx which produces mucus to gather food particles |
| Endoskeleton | internal support structure of an animal, composed of mineralized tissue |
| Lateral Line | sense organ in aquatic organisms used to detect movement and vibration in the surrounding water |
| Clasper | an anatomical structure of certain male animals used in mating |
| Oviparous | reproduction in which eggs are released by the female; development of offspring occurs outside the mother's body |
| Migration | egular seasonal journey undertaken by many species of birds |
| Proventriculus | avian stomach, between the crop and the gizzard, that secretes digestive enzymes |
| Monotreme | mammal that lays eggs and has a single urogenital and digestive orifice |
| Omnivore | Omnivores are species that eat both plants and animals as their primary food source |
| Cellulose | complex carbohydrate that forms the main constituent of the cell wall in most plants and is important in the manufacture of numerous products |
| Grazers | type of predation in which a herbivore feeds on plants and also on other multicellular autotrophs |
| Rumen | the first compartment of the stomach where food is collected and returned to the mouth as cud for chewing |
| Density | measure of the amount of matter contained by a given volume; the probability that an event will occur, as a function of some observed variable |
| Old World Ape | apes that evolved first, have thumbs no tail |
| New World Monkey | monkeys with tails |
| Amniotic | the fetus is in this fluid; pertaining to the fetus |
| Shedding | animal routinely casts off a part of its body (often but not always an outer layer or covering), either at specific times of year, or at specific points in its life |
| Uric Acid | reptiles, amphibians, fish make this waste product, nitrogenous waste from the kidney filtered liquid |
| Cloaca | the cavity at the end of the digestive tract into which waste product is removed |
| Carapace | A hard, protective outer covering of the back or part of the back of an animal (such as a crab) |
| Plastron | the ventral portion of a turtle's shell. It is made up of bony plates and covered with scutes. In some turtles, the some of the bony plates making up the plastron are hinged. |
| Viviparous | reproduction in which eggs develop within the female body, which supplies nutritional aid as in therian mammals, many nonavian reptiles, and some fishes; osspring are born as juveniles |
| Pneumatized | lacey inside of a “hollow” bird bone |
| Crop | region of the esophagus specialized for storing food |
| Marsupial | female typically has a pouch in which it rears its young, which are born immature, through early infancy |
| Insectovore | type of carnivore with a diet that consists chiefly of insects and similar small creatures |
| Cecum | the cavity in which the large intestine begins and into which the ileum opens |
| Echolocation | use of bio-sonar for the purpose of determining distance and relative direction of objects in the environment |
| Home range | pertains to niche |
Created by:
Zoology CCHS
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