A lot of things. They can get endangered by:
- Habitat Destruction
- Food loss
- Hunting or Capturing
- Competition with nonnatives
- Air pollution
- Diseases
Yes some reptiles do have gills.
well,some reptiles do some don't but in the record there are more reptiles that have backbones
they are ugly
Humans
Poachers!
No. All reptiles are vertebrates.
Some reptiles lay egg in the nest and some reptiles lay egg on the land.
Some of the reptiles that are vertebrates: -snake -lizard -tortoise -crocodile
some reptiles such as crocdiles and lizards
Some reptiles travel together.
fresh water
You can get many reptiles from reptiles shops which can be easily found on the Internet. Or some average pet shops can have some reptiles.