Why do you think these organism interactions evolved.

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

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

This rapid change in species that rarely leaves behind fossil evidence is referred to as