13. Class Reptilia identity
card. How are they
characterized according to
examples of representing
beings, basic morphology,
skin, respiration, circulation,
nitrogen waste, thermal
control and types of
reproduction?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Examples of representing :
snakes, turtles, crocodiles, ,
dinosaurs (extinct). Basic :
tetrapods, some with (like
turtles). Skin: keratinized,
corneous plates ( as scales).
Respiration: . Circulation:
closed, incomplete, with three
chambers partial interventricular
septation. waste: uric acid.
control: heterothermic. Types
reproduction: sexual, internal
, shelled eggs with
membranes.