World of Fishes

All of the following species are "True" fish EXCEPT

• Cuttlefish

• Hagfish

• Sea Horses

Which of the following is FALSE concerning ancient fish species?

• The earliest fish had no scales and no paired fin

• According to fossil evidence, fish were the first vertebrates

• The early jawless fish were called Gnathostomes

Tags

NGSS.MS-LS4-1

Which time period below is referred to as the "Age of Fishes?"

• Permian

• Devonian

• Silurian

Which of the following correctly describes "Countershading?"

• Color pattern in which a fish's fins are darker than the rest of its body

• Color pattern in which a fish's head/rostrum is darker than it caudal fin

• Color pattern in which a fish's dorsal side is darker than its ventral side

Animals that cannot maintain a steady body temperature are called:

• Ambiotherms

• Poikilotherms

• Endotherms

Which of the following is TRUE concerning Lampreys?

• All 38 species of lampreys are parasitic

• Lampreys are strictly freshwater species

• The Sea Lamprey is invasive to the Great Lakes

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

"Microvilli," "cupula," and "neuromast" are all terms associated with which of the following fish structures?

• Gills

• Swim Bladder

• Lateral Line

Which of the following is FALSE regarding the Class Chondrichthyes?

• The class includes sharks, skates, hagfish, and coalacanths

• Species in this class can be marine or freshwater

• Species in this class have skeletons made of cartilage

"Placoid scales" are also called:

• Dermal Denticles

• Dermal Papillae

• Cycloid Denticles

Which of the following is FALSE regarding shark features?

• Male sharks can be identified by the presence of "Claspers"

• Some, but not all sharks have "spiracles" which assist breathing

• Most sharks have a Homocercal caudal fin