Answer to Question 1ANS: A
Larger plankton bloom in temperate zones peak in Spring due to increasing lamination. There is
another smaller peak that occurs in Autumn to coincide with upwelling events. Information can be
found in the section Phytoplankton Productivity varies with Local Conditions.
Answer to Question 2ANS: B
The most primary productivity occurs at the temperate and southern subpolar regions. This is due to
plenty of dependable sunlight and moderate nutrient supply. Information can be found in the section
Phytoplankton Productivity varies with Local Conditions.