Animal Classes

Question 1

Fish

Answer 1

Scales made of bony plates, external reproduction, gills, ectothermic, have swim bladder

Question 2

Amphibian

Answer 2

Moist skin, external reproduction, simple lungs (and skin breathing), ectothermic, larval in water and adult on land

Question 3

Reptile

Answer 3

Scales made of keratin, internal reproduction, lays soft eggs, lungs with extensive folding, ectothermic, teeth with no living tissue

Question 4

Bird

Answer 4

Feathers, internal reproduction, lungs with bronchial tubes, endothermic, wings, beak with no teeth

Question 5

Mammal

Answer 5

Hair, internal reproduction, lungs with alveoli, endothermic, feed young milk