The average distance between earth and the sun is known as a(n)

a. light-year
b. astronomical unit
c. big bang
d. aphelion

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

The fauces connects which of th following structures to the oropharynx

As molecules are formed from metabolism, entropy __ and the universe becomes less disordered. a. is decreased b. is increased c. moves closer to equilibrium d. is unchanged