1. What animals live in Canada?
2. Which animals live in Canada?
3. What animal lives in Canada?
4. Which animal lives in Canada?
- Many animals live in Canada.
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Which questions are suitable for the answer?
I would use "what" unless I had been given a specific list of animals beforehand.
The answer, though, doesn't really go with any of those questions. The questions are asking for specifics. The answer is far too general.
What/Which animals live in Canada?
Elk, deer, beaver, and wolves live in Canada.