Question

HELPPPPP WILLL GIVE BRAINLIEST!!!!!RATE!!!!! AND THANKS!!!!! EASY BUT IM DUMB!!!!

What event occurred during the Paleozoic era?
A) diversification of mammals
B) first appearance of most modern invertebrates
C) dominance of non-avian dinosaurs
D) beginning of multicelled life

Answer 1

The answer is B. Vascular plants and invertebrates appeared during this time.

Answer 2

I believe is B) first appearance of most modern invertebrates.