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They can be both. Many reptiles, particularly snakes, help keep populations of rodents and other animals under control, and so are an indispensable asset to farmers. Without snakes many places would face famine. Crocodiles and alligators help clean up carrion from lakes and rivers and help keep their prey populations under control as well. At the same time they can be harmful. Venomous snakes kill thousands of people every year and injure even more as they bite in self-defense. Some large constrictors kill in self defense as well. Crocodilians sometimes attack and kill people who enter their territory and, in some instances, eat them. There have also been a few cases of people being eaten by large snakes and komodo dragons.
What else can I help you with?
Can new born babies be around reptiles?
No don't do that if you know the reptile is dangerous but if not and its vice versa.
Where do you work when you're a herpetologist?
In the lab, and in the field..Herpetologists work with reptiles, many of which are dangerous..The work they do is very beneficial to us, helping to understand the reptiles around us, and even in the developement of antivenen, the antidote made to counteract against venom.
What are crocidiles?
Crocodiles are dangerous reptiles everyone thinks they are mammals but they are NOT they have green scaly skin to camouflage themselves. they are vertebrates (They have a back bone.) By Trickster 123
What animals live in the desert are not dangerous and eat black widows?
Many birds will eat a spider, even a black widow. Reptiles will eat them, too, and most lizards and snakes in the desert are not dangerous. The rattlers and the Gila monster excepted, of course.
What group of animals do Snakes belong to?
Snakes belong to the group of animals known as reptiles.
Why are chameleons like reptiles?
Chameleons don't look like reptiles but they are reptiles.
Does a protoceratops?
Yes, pterodactyl were from a branch of reptiles, and reptiles are vertebrates.
Are yellow spotted lizard reptiles or mammals?
reptiles. all lizards are reptiles
Which animal group do Lizards belong to?
Lizards belong to the animal group called reptiles.
What is the dirffrent from reptiles and humans?
reptiles
Were dinousars reptiles?
Dinosaurs are reptiles.
Are hamsters reptiles?
No, they aren't reptiles.
