Answer:
b., c., e. are the answers.
Purines have double rings, whereas pyrimidines have single rings.
it is true do y'all learn this I health or what?
The answer is e. global wind patterns
Answer: Option (1)
Explanation:
The extinction event played an important role in the creation of new diverse life forms on earth. After an extinction event, both globally and locally, more than 75% of animal species gets vanish and the only those highly resistant life supporting organisms survive and with due course of time, they undergoes evolution, thereby bringing changes to the existing life forms. This is how they initiates and helps in the increasing species diversity.
Thus, the correct answer is option (1).
