What are reptiles?

What characteristics are common among the three types of animals? Why do they share these characteristis what is the stem reptile theory? How do the three types of animals differ?

What adaptations made living on land truly possible for the reptiles and their descendants?

A summary of the life cycles of reptiles.

What is the interaction between snakes and pepper spray? Does the spray have the same effect as on humans? Can it be used in a dangerous situation e.g. Cornered venemous snake?

Ok this is not a question but this is information, This is a true story and the link is for a video on youtube, this is the story of a little boy called elijah who was just 5 days old and had been out of the hospital for only 1 day before he got severly ill , this is a heart breaking story but...