The late Paleozoic era is regarded as the age of ______ .
A. Thallophytes
B. Gymnosperms
C. Pteridophytes
D. Angiosperms
Answer:C
The late Paleozoic era is regarded as the age of ______ .
A. Thallophytes B. Gymnosperms C. Pteridophytes D. Angiosperms