Characteristics of Reptiles

Question 1

reptile

Answer 1

• vertebrate
• ectothermic
• once the main life on earth
• lungs
• amniotic eggs laid on land
• most do not take care of young
• sexual reproduction
• internal fertilization
• three chambered heart
• double loop system
• senses
• scaly skin
• closed circulatory sytem

Question 2

What are the three major groups of reptiles?

Answer 2

• lizards and snakes
• crocodiles and alligators
• turtles and tortoise