What is annual, biennial and perennial?​

Annual plants germinate, bloom, set seed and die all in one year. Biennial plants have a life cycle of two years so they germinate and grow one year, bloom and die the following. Everything which lasts longer than two years is Perennial, which in practical terms usually means it grows and flowers for many years.

No because the eaeht is on a 23.5 degree axis tilt and so when it is winter the northern hemisphere is pointing away from the sun and the soutubern hemisphere is pointing toward the sun