Gills
Yes, the amniotic egg is a key characteristic of reptiles. This type of egg allows for development in a terrestrial environment, providing protection and a stable environment for the embryo. The amniotic egg has several membranes, including the amnion, which encases the embryo in fluid, helping to prevent desiccation. This adaptation is essential for the reproduction of reptiles, allowing them to thrive on land.
adaptation
Snakes are reptiles, and all reptiles lay eggs. That is a basic characteristic of reptiles.
One characteristic all reptiles share is that they are all cold-blooded.
ADAPTATION
Physical or Behavioral.
adaptation
It's a adaptation.
Adaptation
Large, active reptiles, such as non-avian dinosaurs, went extinct before the start of the Cenozoic. Hence, dinosaurs, pterosaurs, and other such reptiles are not characteristic of the Cenozoic.
An adaptation to the environment.
ADAPTATION