Vertebrate Classes

Question 1

Fish

Answer 1

Body covered by scales made out of bony plates
External reproduction
Breathes using gills
Ectothermic temperature
Have a swim bladder

Question 2

Ambiphibian

Answer 2

Body covered by moist skin
Reproduction is external
Breathes using simple lungs
Ectothermic temperature
Larval state in water, adult state on land

Question 3

Reptile

Answer 3

Body covered by keratin scales
Reproduction is internal (soft eggs)
Breathes using lungs with extensive folding
Ectothermic temperature
Simple teeth with no living tissue

Question 4

Bird

Answer 4

Body covered by feathers
Reproduction is internal (hard eggs)
Breathes using lungs with bronchial tubed
Endothermic temperature
Have wings and beaks with no teeth

Question 5

Mammal

Answer 5

Body covered with hair
Reproduction is internal (live births)
Breathes using lungs with alveoli
Endothermic temperature
Feed young with milk from mammary gland