The are about 263 turtle species.
There are 4 species and 11 subspecies.
170
Yes, many turtles, especially the carnivorous species such as snapping turtles, will eat smaller turtles.
6
species of turtles in the world
There are about 356 known species of turtles in the world, with different populations of each species spread across various habitats. The exact number of individual turtles in the wild is difficult to estimate.
No, one of the deciding factor when it comes to categorizing animals into different species is whether or not they can produce offspring. Different kinds of dogs can "mix" even if they are different breeds because they are still part of the same species. While all turtles are part of the same "Order", in biological terminology, if the turtles are classified as different species, they will not produce viable offspring.
There are a few hundreds of turtle species that it is uncountable. But most of the species are endangered by human acts.
Too many to say really, any more specific?
There are at least 270 different species of turtle known to man. This includes freshwater turtles, tortoises, and sea turtles.
Yes certain species of turtles are pets.
There are very many species of turtles in the United States. All turtles in the United States are considered endangered. Not by any means are all turtles in the United States considered endangered. Most are under no specific threat at all, but a few, like the bog turtle, and hawksbill turtle are endangered.