This depends on the species, there are 150+ species, the smallest less than an inch long as an adult and the largest over 2 feet. They will eat what ever they can fin in their mouth in nature. In captivity it is common to feed with small crickets and fruitflies.
Mostly cameleons have long tounges because they use them to catch their food. To survive. They mostly eat insects. Like flys or other flying bugs etc.
Yes I believe they can!
No
no they do not
No they are not.
They change color.
Yes.
Cameleons
2.5cm long
they are 15-20 inches long
yes, but mostly lettucs and vegetables...not corn though. And not too much citrus acidic stuff because it might break down the tissue in the stomach
chameleons are arboreal, meaning they live in trees.