Oceanography3/3: Oceanography Quiz What is the name of the current flowing from the north of Antarctica along the west coast of South America?*Cromwell CurrentHumboldt CurrentSouth equatorial CurrentPanama CurrentHint: It brings nutrient rich water to the Galapagos Islands, helping to sustain the Islands' rich biodiversity.What are the main producers in the ocean?*MossSmall fishPenguinsPhytoplanktonHint: Don't forget that primary producers are able to create their own food.Why is Galapagos one of the richest fishing grounds in the world?*Absence of upwellingLow levels of productivityHigh levels of productivityPresence of Galapagos giant tortoisesHint: Think of why the Galapagos Islands are able to support high amounts of biodiversity.Upwelling is an oceanic process where...*cold water sinks to the deepwarm water rises from the deepcold water rises from the deepwarm water sinks to the deepHint: Upwelling brings nutrient rich water to the surface.Why is cold water from the deep ocean rich in nutrients?*Phytoplankton lives in the deep oceanFrom the presence of Galapagos penguinsFrom dead and decaying matter that has sunk to the ocean floorHint: These nutrients are important for the primary producers.Which one of this is NOT a way in which upwelling occurs?*Along the ocean floorAlong the coastlineAround islandsAlong the equatorHint: There are three main ways that upwelling occurs and they all occur around the Galapagos Islands.
