Biology Questions and Answers
external heat source to warm their
bodies.
The heterothermic feature also explains
why reptiles are more active during theday, a period when they can use the
sun heat to warm their bodies.
- 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?
Examples osnakes, turtles,f representin crocodiles, lizarg beings:ds, (^)
dinosaurs (tetrapods, somextinct).e with carapaces (lik Basic morphology:e
turtles). Skin: impermeable keratinized,
corneous plates (kRespiration: pulmonary. Cinown as scales).rculation: (^)
closed, incomplete, heart with three
chambers and partial interveseptation. Nitrogen waste: uric acid.ntricular
Thermal control: heterothermic. Types
of reproduction: fecundation, shelled eggs withsexual, internal
extraembryonic membranes.
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