Quiz on Bony Fish

What is the main characteristic of osteichthyes?

• They lack jawbones

• They have evolved and diversified most in the last few million years

• They have a cartilaginous skeleton

• They are primarily found in freshwater

What are the opercula in bony fish?

• The eyes of the fish

• The main part of the skeleton

• The bones that protect the gills

• The fins used for swimming

Which part of the bony fish skeleton supports the jawbone?

• Pelvic fin

• Spinal column

• Operculum

• Cranium

What is the function of the swim bladder?

• To aid in digestion

• To regulate flotation

• To protect the gills

• To provide structural support

What type of fish are included in the subclass Sarcopterygii?

• Fish with cartilaginous skeletons

• Fish that live only in saltwater

• Lungfish and coelacanths

• Fish with spiny fins

What is the primary material that makes up the skeleton of bony fish?

• Bone

• Calcium carbonate

• Cartilage

• Chitin

How do bony fish control their movements?

• By changing their color

• Using their gills

• Through their swim bladder

• With flexible fins

What is the largest osteichthian fish mentioned in the text?

• Latimeria chalumnae

• Mola mola

• Actinopterygii

• Perca fluviatilis

What is the rete mirabile?

• A type of fish

• A network of capillaries in the swim bladder

• A bone in the cranium

• A type of fin

What do the scales of bony fish do?

• Help in respiration

• Aid in digestion

• Protect the skin and reduce drag

• Provide buoyancy