Disha saw a house wall lizard crawling on the wall and asked her mother, who was a biology teacher.
(i) Is body temperature related to surrounding temperature in reptiles? How can we define this feature of reptiles?
(ii) What is their breathing organ?
(iii) Is there any reptile with four-chambered heart? Summarise her mother’s statements.
(i) Yes, body temperature is related to surrounding temperature in reptiles. This means they are ectothermic or cold-blooded animals.
(ii) Their breathing organ is lungs.
(iii) Yes, crocodile is an exception in reptiles as it has a four-chambered heart.