Flashcards in Abeka Biology Chapter 18 Deck (36):
What animals regulate their temperature by external factors, such as lying in the sun when their body temperature is too low or cooling off in the shade when their temperature is too high?
What are animals whose body temperatures fluctuate with the temperature of their surroundings?
What reptiles bear their young alive rom eggs?
What reptiles, which are elongated, four-legged reptiles have a tapered tail are the most numerous of the reptiles?
What kind of movement do most kinds of snakes move by?
What snakes use rectilinear movement when stalking prey?
Thick-bodied snakes, such as puff adders and Asian pythons.
What movement do desert-dwelling snakes such as the North American sidewinder and the carpet viper and horned viper of Africa use?
What bone on the skull loosely attaches to the lower jaws of snakes?
What tiny cavities in the roof of its mouth contain nerve endings that are extremely sensitive to odor?
What are zoologists that study reptiles and amphibians called?
What are the 3 largest snakes?
pythons, anacondas, and boas.
By what do scientists group poisonous snakes according to?
Their fangs. Hollow and grooved venom-ingesting teeth.
What snakes which have immovable fangs in the front of the upper jaw are poisonous?
What is the largest venomous snake?
King cobra (18 ft)
What venomous snakes, which have long, movable fangs attached o the front of the upper jaw, live in the temperate regions of the world?
What toxin affects the nervous system, which controls the functioning of the heart, lungs, and muscles.
neurotoxins (nerve poison)
What toxin damages blood vessels and destroys red blood cells?
hemotoxin (blood poison)
What are antibodies that attach the toxin molecules and neutralize their effect?
antitoxoins or antivenins
What is a reptile with a shell and toothless jaw?
What is fused to the turtles ribs and thoracic vertebrae?
The carapace (upper shell)
What is fused to the clavicles of turtles?
plastron (lower shell)
What is a state of summer dormancy or limited activity?
What term refers to all the members of chelonia, whether aquatic or terrestrial?
What term is generally reserved for land turtles with feet and claws suitable for terrestrial life?
What large, thick-skinned, long tailed, aquatic reptiles are the largest living reptiles?
What is the only species in a family and order of its own, and is commonly known as the tuatara?
What eye is situated on the top of the tuataras brain, that senses radiation?
What are probably the most famous of all extinct creatures?
What group of cold-blooded vertebrates, live both in land and in water?
How many heart chambers do all amphibians have?
What are leaping, tailless amphibians with smooth skin?
What are leaping, tailless amphibians which have rough, "warty" skin?
What are the three types of branched pigment cells that control the skin coloration of amphibians as well as many reptiles and fish called?
What two additional teeth extend from the roof of the mouth of the frog?
What special membrane holds the pancreas of a frog in place?