classes of vertebrate

Question 1

what are the 5 classes (name examples)?

Answer 1

fish (tuna, lamprey)
amphibians (frog)
reptiles (snake, turtle, lizard)
birds (eagle, ostrich)
mammals (human, dolphin, pig)

Question 2

what are the 2 groups of fish?

Answer 2

jawless and jawed

Question 3

give examples of jawless fish

Answer 3

lampreys, hagfish

Question 4

give examples of jawed fish

Answer 4

tuna, salmon, sunfish

Question 5

what do jawless fish rely on?

Answer 5

suction

they are scavengers and parasites

Question 6

what are jawed fish able to do?

Answer 6

bite, crush, grind food