Science Unit 13 Quiz Crossword
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
                     
 
 
Down: 1) A flexible rod that supports a chordate’s back.2) The specific environment in which an animal lives.3) a watery fluid produced by the kidneys that contains urea and other waste materials.4) An ectothermic vertebrate that has lungs and scaly skin. includes snakes, turtles, alligators, crocodiles and lizards.7) A vertebrate that lives in the water and has fins.9) An ectothermic vertebrate that spends its early life in water. (means “double life”) Includes frogs, toads, salamanders, and newts.10) Animals whose body controls and regulates its temperature by controlling the internal heat it produces. (“warm-blooded”) Common types include birds and mammals. Across: 5) A connective tissue that is more flexible than bone and that gives support to some parts of the body.6) The force that water exerts upward on any underwater object.8) A series of similar bones that line up to form a backbone.10) Animals that do not produce much internal temperature. (“cold-blooded”)11) The phylum whose members have a notochord, a nerve cord, and slits in their throat area at some point in their lives.12) Organisms that have a backbone.13) An internal gas-filled sac that helps fish stabilize its body at different depths.
 

 

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