What is the primary cause for the change in seasons

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

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

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.