Aa always shows up as..

A- dominant

B- recessive

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

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Identify the examples in which sam interacts only with natural resources