Because of their slow metabolism and heat-seeking behavior, reptiles are cold-blooded. Reptile reproduction also depends on temperature. Only boas and pythons give birth to live young. The other ...

And if they're insects, or fish, or birds, or reptiles, they lay eggs ... lay much smaller eggs and much more of them. During sexual reproduction a sperm from the male joins with an egg from ...

Another key distinction lies in reproduction. Amphibians lay eggs in water, and their offspring often start life as aquatic larvae. In contrast, reptile eggs can be laid on land, thanks to their ...