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Science Chapter 8 Test
Mr. G
47
Science
7th Grade
02/05/2013

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Term
What do herpetologists study?
Definition
Reptiles and amphibians
Term
Animals that possess four legs are known as?
Definition
Tetrapods
Term
Which type of movement does a snake use on sandy ground?
Definition
Sidewinding
Term
To use external means to control body temperature?
Definition
Cold-blooded
Term
What group of amphibians has long bodies and no limbs?
Definition
Caecilians
Term
Which type of movement does a snake use following an S-shaped path?
Definition
Lateral undulation
Term
What is a “square” on a turtle’s shell called?
Definition
Scute
Term
What is a scientist who studies fish called?
Definition
Ichthyologist
Term
What is the turtle’s upper shell that covers its back?
Definition
Carapace
Term
The breathing openings that sharks and rays have behind their eyes?
Definition
Spiracles
Term
What characteristic do scientists base the categories of salamanders?
Definition
reproduction
Term
What group are true rays, electric rays, skates, and sawfish classified?
Definition
Batoids
Term
Frogs and toads are in which scientific group?
Definition
Anurans
Term
Process where a mother caecilian grows a new layer of fat to feed her young?
Definition
Dermatophagy
Term
Tooth-like scales found on sharks?
Definition
Denticles
Term
. Largest group of snakes?
Definition
Colubrids
Term
The throat fan of an iguanid?
Definition
Dewlap
Term
Largest known fish?
Definition
Whale Shark
Term
Crocodilian with narrow snout and fourth lower tooth that shows when jaw is closed?
Definition
Crocodiles
Term
Medicine used to counteract venom?
Definition
Antivenin
Term
General term for a turtle that lives on land?
Definition
Tortoise
Term
Shark that has eyes on large wings on either side of its head?
Definition
Hammerhead
Term
A sawfish’s long and unusual nose?
Definition
Rostrum
Term
Fish’s tail fin?
Definition
Caudal
Term
Prominent fin on top of a fish?
Definition
Dorsal
Term
Fin located on the side of a fish and behind the gills?
Definition
Pectoral
Term
W-shaped band of skeletal muscle?
Definition
Myomere
Term
Protective case that sharks lay their eggs in?
Definition
Mermaid's Purse
Term
Allows fish to stay suspended in water?
Definition
Swim bladder
Term
Fin made of a single bone surrounded by muscle?
Definition
Lobed
Term
Hard, movable plate covering a fish’s gills?
Definition
Operculum
Term
Fish eggs?
Definition
Roe
Term
Organ used by snakes to detect temperature?
Definition
Pit Organ
Term
Color-containing cells that control a reptile’s ability to change color?
Definition
Chromatophores
Term
Color-containing cells that control a reptile’s ability to change color?
Definition
Spectacle
Term
Organ used by snakes to detect scent molecules?
Definition
Jacobson's organ
Term
Lizard-like reptile with a parietal eye?
Definition
Tuatara
Term
Organism that has slime glands to create a slippery coating around it?
Definition
Hagfish
Term
Protective layer that surrounds the nutrient-filled egg of a reptile?
Definition
Amnion
Term
Larvae of frogs and toads?
Definition
Tadpoles
Term
World’s smallest snakes?
Definition
Blind snakes
Term
Process of amphibians changing from aquatic larvae to terrestrial adults?
Definition
Metamorphosis
Term
Longest living animal?
Definition
Tortoise
Term
Group of venomous snakes with small, immoveable fangs?
Definition
Elapids
Term
Largest living lizard?
Definition
Komodo dragon
Term
Type of venom that attacks the circulatory system?
Definition
Hemotoxic
Term
Type of venom that attacks the circulatory system?
Definition
Essay
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