Despite Its Name,the Ectoparasitic Marine Lamprey Petromyzon Marinus Ascends Freshwater

Q11: Unlike other vertebrates,the body fluids of hagfishes

Q12: One lineage of the neopterygian fishes gave

Q13: Declines in the salmon population in the

Q14: Like a leech,the lamprey secretes _ into

Q15: The coelocanths<br>A)are all extinct.<br>B)were found off the

Q17: Fishes such as the Atlantic salmon that

Q18: The fisheries of the Great Lakes were

Q19: The ampullary organs of Lorenzini are receptors

Q20: The lungfishes<br>A)are all extinct.<br>B)do not really have

Q21: The ray-finned fishes are the most numerous