animal kingdom : vertebrates

Question 1

mammals

Answer 1

four limbs 
fur over the body 
give birth to young alive 
homoiothermic
visible external ears (pinna)

Question 2

fish

Answer 2

fins for swimming and balance
poikilothermic
produce 
scales 
sense organs: eyes and lateral line on the back
gills for breathing

Question 3

reptiles

Answer 3

poikilothermic
four limbs (except snakes)
dry, scaly skin
produce eggs with rubbery shell (laid on land)

Question 4

amphibians

Answer 4

moist skin
four limbs (back feet are often webbed)
poikilothermic 
produce jelly-covered eggs in water 
fertilisation takes place on land

Question 5

bird

Answer 5

wings on body and scales on legs (two wings and two legs)
beak
homoiothermic 
produce eggs with hardshell on land
sense organs are eyes and ears