Fish Vocabulary

Question 1

vertebrate

Answer 1

animal of a large group distinguished by the possession of a backbone

Question 2

vertebral column

Answer 2

the spine; backbone

Question 3

neural crest

Answer 3

migratory cell population unique to vertebrates that gives rise to a diverse cell lineage

Question 4

closed circulatory system

Answer 4

blood closed at all times in vessels of diffrent size and wall thickness

Question 5

cycloid scales

Answer 5

fish scale which is thin and shows concentric lines of growth

Question 6

placoid scales

Answer 6

found in the cartilaginous fishes

Question 7

ganoid scales

Answer 7

found in few fishes that are composed of an inner layer of bone amd an outer layer of ganion

Question 8

gills

Answer 8

paired respiratory organ of fishes and some amphibians

Question 9

lateral line

Answer 9

visible line along the side of a fish consisting of a series of sense organs that detect pressure and vibration

Question 10

spawning

Answer 10

to release or deposit eggs

Question 11

jawless fish

Answer 11

any of various elongated marine and freshwater fishes lacking a jaw and paired appendages

Question 12

cartilaginous fish

Answer 12

class of fish having a skeleton of fish rather than bone

Question 13

bony fish

Answer 13

fish of a large class known by a skeleton of bone

Question 14

lobe-finned fish

Answer 14

fish of a largely extinct group having fleshy lobed fins