Amphibian Vocabulary Test Crossword
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
                      
 
 
Down: 1) Animal that has a backbone2) in bone fishes, a gas-filled sac that is used to control buoyancy; also known as gas bladder4) a phase in the life cycle of many animals during which a rapid change from the immature form of and organism to the adult form takes place.5) respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood.8) the aquatic, fish-shaped larva of a frog or toad. Across: 3) type of egg that is surrounded by a membrane, the amnion, and that in reptiles, birds, and egg-laying mammals contain a large amount of yolk and is surrounded by an egg.6) faint line visible on both sides of a fishes body that runs the length of the body and marks the location of sense organs that detects vibrations in water.7) an organism that needs sources of heat, outside of its cell.9) animal that can use body heat from chemical reaction in the body's cells to maintain a constant body temperature. 10) respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood
 

 

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