Asecondary plant compound might be used for which of the following?
a new crop variety
a new drug
a soil nutrient
a pest of a crop pest

Where is energy trapped inside the organelle chlorophyll

Look at the picture below . what does this picture represent ?

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