whats wrong with this sentence Poisonous snakes' eyes are elliptical

The only grammatical error I see is the lack of a period at the end.

I don't know about the accuracy of the sentence, however. Are all poisonous snakes' eyes elliptical?

i need help studing my vocab in everything

haleye, first, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked.

Second, we can only respond adequately to specific questions. Please repost with you questions.

The sentence you provided is grammatically correct and there doesn't appear to be anything inherently wrong with it. However, if you are referring to a specific problem, please provide more context so that I can assist you further.