Practice Exam(Exam 1)

Question 1

Myomere

Answer 1

W-shaped bundles in each body segment//ORGANIZED LATERALLY ON THE BODY, originate and insert on vertebral elements and body wall, respectively

Question 2

Hemal Arch

Answer 2

Bony arch on the underside of a tail vertebra

Question 3

Condition Factor

Answer 3

Fulton’s condition factor, K, is another measure of an individual fish’s health that uses standard weight to length ratio

Question 4

Chloride Cells

Answer 4

cells in the gills of teleost fishes which pump excessive sodium and chloride ions out into the sea against a concentration gradient.

Question 5

Chondrichthyes

Answer 5

class that contains the cartilaginous fishes: jawed vertebrates with paired fins, paired nares, scales, a heart with its chambers in series, and skeletons made of cartilage. The class is divided into two subclasses: Elasmobranchii (sharks, rays, skates, and sawfish) and Holocephali (chimaeras”

Question 6

lepidotrichia

Answer 6

bony, bilaterally-paired, segmented fin rays found in bony fishes. They develop around actinotrichia as part of the dermal exoskeleton;

Question 7

Placoid Scales

Answer 7

found in the cartilaginous fishes: sharks, rays, and chimaeras; more like tiny teeth

Question 8

dorsal aorta

Answer 8

carries oxygenated blood posterior

Question 9

choroid rete

Answer 9

counter-current exchanger near the eye

Question 10

Osteichthyes

Answer 10

Boner fish.. ergh i mean bony….

Question 11

Chondrichthyes

Answer 11

cartilaginous fish

Question 12

pars superior

Answer 12

inner ear, balance and position

Question 13

______ are blood cells that contain hemoglobin

Answer 13

erythrocytes

Question 14

______ blood cells involved in immune response.

Answer 14

leukocytes

Question 15

_____ scales are found in ancestral bony fishes such as gars. Scales are much reduced in more derived teleosts.

Answer 15

ganoid scales

Question 16

The ________________ is the portion of the brain associated with smell sensitivity. Its size is correlated to the reliance on smell.

Answer 16

Olfactory

Question 17

______ predators are characterized by a torpedo-shaped body and posterior placement of unpaired fins.

Answer 17

Ambush

Question 18

True or False:

“Salting out” causes changes in oxygen affinity of hemoglobin.

Answer 18

Truuuuuuuueeeeeeeee

Question 19

Who founded the Museum of Southwestern Biology Division of Fishes.

Answer 19

William J. Koster

Question 20

Where do Catadromous fish

live/reproduce?

Answer 20

Catadromous fishes hatch or are born in marine habitats, but migrate to freshwater areas where they spend the majority of their lives growing and maturing. As adults they return to the sea to spawn. The word “catadromous” means “downward-running,” and refers to the seaward migration of adults.