Final answer:
The sentence is grammatically incorrect and should be corrected to 'Il y a des animaux dans le zoo.'
Step-by-step explanation:
The sentence “Ils y ont des animaux dans le zoo” is grammatically INCORRECT.
The correct sentence would be “Il y a des animaux dans le zoo”.
In this corrected sentence, the subject “il” replaces “ils y ont” and the verb “a” replaces “ont”. This sentence means “There are animals in the zoo.”
Learn more about Correcting grammatical errors in French sentences