To submit these assignments before tomorrow for extra credit.

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

How do living things obtain phosphorus