#1
Which ocean is the largest and deepest?
#2
What is the primary role of seagrasses in the oceanic ecosystem?
#3
What is the name for the microscopic organisms that form the base of the marine food web?
#4
What is the primary role of mangrove forests in the coastal ecosystem?
#5
What is the primary source of energy for most life in the ocean?
#6
Which of the following is a deep-sea adaptation in marine organisms?
#7
What is the term for the phenomenon where warm surface water moves toward the poles and cold, nutrient-rich water rises from the depths to replace it?
#8
Which marine organism is known for its ability to produce its own light through bioluminescence?
#9
What is the term for the zone where freshwater from rivers meets and mixes with salty ocean water?
#10
Which oceanic phenomenon is characterized by the periodic warming of sea surface temperatures in the central and eastern Pacific Ocean?
#11
What is the term for the process where marine organisms convert sunlight into chemical energy?
#12
What is the process by which oceans absorb carbon dioxide from the atmosphere?
#13
Which oceanic zone receives the least amount of sunlight and is characterized by high pressure and low temperatures?
#14
What is the main threat to coral reefs worldwide?
#15
Which oceanic zone is characterized by constant darkness, extreme pressure, and temperatures near freezing?
#16
Which environmental adaptation helps marine mammals like whales to dive to great depths?
#17
Which oceanic current is responsible for the clockwise circulation in the Northern Hemisphere and counterclockwise circulation in the Southern Hemisphere?
#18