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Essential Study Partner Activities |
Chapter 35: Animals II: The Coelomates |
DIVERSITY/Vertebrates/Fish/screen 3
The lamprey are important parasites which attach themselves to fish by means of a sucker-like mouth. Rows of teeth in the mouth abraid the flesh and the lampreys suck out the blood of the prey. How do these modern jawless fish differ from their primitive ancestors?
DIVERSITY/Vertebrates/Fish/screen 6
The rays in ray fin fish were a) feeding structures, b) structures for respiration, c) skeletal structures which strengthened their fins, d) locomotive structures which allowed them to move on land.
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