Which of the following statements are correct with reference to evolution?
(A) About 500 mya invertabrates were formed.
(B) Jawless fish evolved around 350 mya.
(C) About 400 mya sea weeds existed.
(D) About 100 mya dinosaurs suddenly disappeared.
Choose the correct answer from the options given below:
1
(A) and (B) only
2
(B) and (C) only
3
(C) and (D) only
4
(A) and (D) only