Answer:
You're correct
You can alternatively sayおなかがすいたときにたべます。as well, but your sentence is perfect.
Kanji version of what you wrote would be: 私はお腹がすいた時に食べます。
Answer:
perennial plant or simply perennial is a plant that lives more than two years. The term (per- + -ennial, "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials
