Asked by victoria

during the Cambrian explosion that began the Paleozoic era, the many new forms of life that evolved ?

a) lived on land
b) were invertebrates lived in the sea
c) were vertebrates covered with scales or fur
d) were single celled
Answered by Princess Anna
This "Cambrian explosion" included the evolution of arthropods and chordates (animals with rudimentary spinal cords)

So what do you think the answer is?:)
Answered by Hello
I think its D or A what is it?
Answered by Anonymous
I need help fast
Answered by Badge-Man 💯
Its B
Answered by Contortionist
It B good job Badge-man
Answered by Kotaro Tsuji
Princess Anna also gave you the answer. Its B good job Princess Anna. I hereby promote you to Queen Anna.
Answered by Kotaro Tsuji
Wait...That was in 2013? well I guess she won't see my post and change her name to Queen Anna.
:/
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