What occurred during the Cambrian period of plant evolution?
A. Single-celled bacteria evolved in the sea
B. Blue-green algae evolved in the sea
C. Marine multicellular algae evolved
D. Unicellular plants evolved
Answer:C
What occurred during the Cambrian period of plant evolution?
A. Single-celled bacteria evolved in the sea B. Blue-green algae evolved in the sea C. Marine multicellular algae evolved D. Unicellular plants evolved