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JUST VOCAB REPTILES Chapters 43 Allantois Membrane sac in an amniotic egg ____________________ that exchanges gases and stores nitrogen waste The proteins and water stored in an amniotic egg albumen ____________________ Yolk sac Membrane sac in an amniotic egg __________________ That surrounds the fat-rich food supply Pits in the roof of the mouth of a snake that are sensitive to smell ______________________________ Jacobson’s organ Tiny air sac that increases surface area alveoli in the lungs ____________________ Membrane in an amniotic egg that ____________________ amnion directly surrounds the developing embryo Dividing wall that separates the Ventricle into 2 chambers septum __________________ Ability to drop off a body part to escape a predator ______________________________ autotomy Dorsal domed shell of a turtle carapace ____________________ “Tummy”-shell of a turtle ____________________ plastron Type of reproduction in which the egg is surrounded by a shell and laid Oviparous outside the body to hatch __________________ Type of reproduction in which the egg is not surrounded by a shell but kept inside the mother’s body and nourished by a placenta until birth ___________________________ viviparous Type of reproduction in which the egg is covered by a shell but kept inside the female until just before hatching or it may hatch inside the mother’s body ____________________ ovoviviparous Type of snake that squeezes its prey Type of snake that injects poison with 2 small unmovable fangs ____________________ constrictor elapid __________________ Type of snake that injects poison with 2 large movable fangs ______________________________ viper Endocrine gland that regulates Heart rate, blood pressure, & metabolism thyroid ____________________ Coiled tubules where sperm mature and grow their tails epididymis ____________________ Small tubules that carry sperm from the epididymis to the cloaca in a turtle Vas deferens __________________ Tubes which add the shell to the eggs as they are carried from ovary to cloaca ___________________ oviducts Joining of an egg & sperm outside External fertilization the female’s body ____________________ Kind of development in which offspring are born/hatch looking like their parents only smaller Direct ____________________ development Kind of circulatory system in which blood is contained inside vessels closed __________________ Organism that has a notochord, pharyngeal pouches, a post anal tail, and a dorsal nerve cord ______________________________ Chordate vertebrate Organism with a backbone ____________________ Organism whose blastopore protostome becomes its mouth ____________________ mesentery Thin membrane in the coelom that____________________ connects and holds the internal organs together Squamata Order of reptiles that _____________________ includes snakes and lizards Maintaining the correct osmoregulation balance of water and ____________________ ions in the body cranium Covering made of bone that ____________________ protects the brain; also called skull Nerve cord surrounded by bone or cartilage; also called a Spinal cord _____________________ Vertebral column Joining of an egg & sperm inside the female’s body ____________________ Internal fertilization Kind of development in which offspring hatch as larva and must undergo metamorphosis to become adults Indirect ____________________ development Kind of circulatory system in which open blood is NOT contained in vessels __________________ and flows loose inside the coelom keratin A protein found in the scaly skin of ______________________ reptiles and also in bird feathers, & human hair & fingernails invertebrate Organism without a backbone ____________________ Organism whose blastopore deuterostome becomes its anus ____________________ Eardrum Tympanic membrane __________________ Chelonia Order of reptiles __________________ including turtles & tortoises Opening at back of throat for gullet food to enter esophagus ____________________ ileum Coiled portion of small intestine ____________________ between duodenum and large intestine Bile storage organ Lower jaw Gall bladder __________________ mandible ______________________________ maxilla Upper jaw ______________________________ Small out pockets at the anterior end of the digestive tract that become gills in a fish and the throat, ______________________ Pharyngeal pouches inner ears, and tonsils in humans Tail that sticks out past the posterior opening of the digestive Post anal tail tract ____________________ Outside body covering in an animal integument __________________ This kind of body organ works automatically without thinking about it ______________ autonomic An egg with four membranes and a protective shell found in reptiles, ____________________ birds, and a few mammals Amniotic In animals the body plan where the left and right sides are mirror images Bilateral of each other ____________________ symmetry This part smoothes the flow of blood Conus arteriosus leaving the ventricle __________________ These small thin walled blood vessels connect arteries and veins and are the place where gases, wastes, & nutrients are exchanged __________________ capillaries arteries Blood vessels that carry blood ________________________ away from the heart Membrane that covers and protects Nictitating membrane a frog’s eye while swimming ______________________ Area in a fish’s brain that receives and processes info from visual, auditory, Optic lobes and lateral line systems _______________________________ Posterior part of the brain that controls balance and muscle coordination ________________________ cerebellum Blood vessels that carry blood back to the heart veins _________________ Vertebral Nerve cord surrounded by bone or Cartilage; also called a spinal cord _________________ column Posterior part of the brain that integrates Info from the other brain parts and where Higher brain functions like memory, learning, cerebrum Reasoning, and problem solving occur _____________ Collecting chamber that receives blood returning to the heart from the body Before it enters the atrium __________________________ Sinus venosus Part of the brain that controls the autonomic internal organs __________________________ Medulla oblongata and relays sensory info from body The concentration of nervous and sensory organs in the anterior end of an animal _____________________________ cephalization Small fingerlike extensions inside the intestine that increase surface area villi for greater absorption of nutrients _______________ First section of intestine _______________________ duodenum nearest stomach The energy molecule is stored in the liver ________________________ glycogen This substance is made by the pancreas and causes cells to release glucose into glucagon the bloodstream. __________________ (Be careful! It sounds like the answer above. Don’t get these 2 confused!) Order of reptiles including alligators & crocodiles Crocodilia ____________________ Multipurpose exit space before the vent ____________________ cloaca Body temperature that is dependent on their environment “cold-blooded” __________________ ectothermic The changing from a larva into the adult form ______________________________ metamorphosis Tubules that carry eggs from ____________________ oviducts ovary to cloaca & add the jelly coating Order of reptiles that includes Rhychocephalia Tuataras ____________________ Exit opening in animals with vent a cloaca __________________ Opening at back of mouth to glottis the lungs ____________________ nares Scientific name for “nostrils” ____________________ olfactory Sense that deals with smell____________________ Circulation that carries blood pulmonary from heart to lungs and back to heart__________________ Urine storage organ Urinary bladder _________________________ Circulation that carries blood from heart systemic to body organs and back to heart ____________________
