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
Its B
I need help fast
It B good job Badge-man
Princess Anna also gave you the answer. Its B good job Princess Anna. I hereby promote you to Queen Anna.
This "Cambrian explosion" included the evolution of arthropods and chordates (animals with rudimentary spinal cords)
So what do you think the answer is?:)
I think its D or A what is it?
Wait...That was in 2013? well I guess she won't see my post and change her name to Queen Anna.
:/