What is causing us to lose species on a daily basis?

What type of specimens where you able to see under each of the microscopes in the microscope activity

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

Give an example of a trait that is controlled by more than one gene.