Answer:
O Certain types of harmless snakes are mis-taken for venomous snakes due to their markings.
Explanation:
A hyphen is a junction of two different words to form a single word.
In the sentence above, mis is not a word. So, the word must be mistaken not mis-taken

is there more to the question or is this it? because if theres a paragraph then it needs to be shown
The answer is the first sentence you listed.