Answer to Question 1ANS: A
The Meteor expedition conducted many scientific studies. The biologists on board carried out the first
systematic plankton study in 1925. Many techniques and tools they pioneered are still used today.
Information can be found in the section Plankton Collection Methods Depend on the Organism's Size
Answer to Question 2ANS: B
Plankton are categorized by ecological connectionsthey swim poorly in the water column. This is
not considered a collective natural category since it is not based on evolution, but rather on lifestyle.
Information can be found in the section Plankton Drift in the Ocean.