Marine ecosystems cover about this percentage of Earth's surface
What is..
70%
Energy is transferred between organisms through this
What is..
Food Webs or Food Chain
Which type of pollution is most common in oceans today?
What is..
Plastic Pollution
Define Biodiversity
What is..
The variety of life within a specific (marine) habitat.
Name a major type of marine ecosystem
What is..
Ocean, coral reef, estuary.
What trophic level do organisms that eat producers belong to?
Primary Consumers
What global issue is causing ocean temperature to rise?
What is..
Climate Change
Define Biogeochemical Cycles
What is..
The movement of chemical elements between living organisms and the physical environment.
What happens to pressure as ocean depth increases?
What is..
Pressure increases
Why is there less energy at high trophic levels?
What is..
Energy is lost as heat
Rising ocean temperatures cause this in coral reefs.
What is..
Coral Bleaching
Define Photoheterotrophs
What is..
Obtain energy from light but still require organic carbon compounds.
What type of marine ecosystem is known for the highest biodiversity?
What is..
Coral reefs
What type of diagram shows multiple feeding relationships?
What is..
Food Web
What is it called when too many fish are removed from the ocean?
What is..
Overfishing
What is the zone called where sunlight reaches the ocean?
Photic zone
What type of organism breaks down dead matter and recycles nutrients?
What is..
Decomposers
What is the term for the decrease in ocean pH cause by excess CO2?
What is..
Ocean acidification