fish

Question 1

fish skin has minimal ______, and they have ______ cells to produce a protective layer

Answer 1

keratinization

mucus-secreting

Question 2

the dermis of the fish is rich in ______

Answer 2

fibrous and connective tissue to provide support

Question 3

name these scales

Answer 3

left is cycloid and right is ctenoid

Question 4

each layer of fish muscle is a ______ that is separated by _____

Answer 4

myotome, myosepta

Question 5

fish have ____ pairs of brachial arches and _____ sets of gill rakers to retain food

Answer 5

5

2

Question 6

the fish liver is _____ and has how many lobes?

Answer 6

large/fatty

one lobe

Question 7

what is the swim bladder for in fish?

Answer 7

buoyancy

Question 8

name the structures of the fish GI system from mouth to poop shoot

Answer 8

esophagus, stomach with pyloric ceca, duodenum, small intestine, rectum, anus

Question 9

name the structures of the fish heart in the order blood flows through them

Answer 9

sinus venosus, atrium, ventricle, bulbous arteriosis

Question 10

fish vasculature: they have ____ branchial arteries and they have a ________ system

Answer 10

4

renal portal system

Question 11

the anterior or head kidney of the fish has what function?

What about the posterior kidney?

Answer 11

anterior: hematopoietic and endocrine
posterior: hematopoietic and excreatory

Question 12

fish nares connect to ________ rich in ____

Answer 12

paired olfactory sacs

chemoreceptors sending info to brain

Question 13

the lateral line has what function?

Answer 13

sense vibrations and body position