Conservation
solutions
solutions
What are areas of the ocean set aside to protect ecosystems called?
What are marine protected areas (MPAs)?
What type of pollution comes from discarded plastics in the ocean?
What is plastic pollution?
What gas do fish need to breathe in the water?
What is oxygen?
Catching too many fish too fast is called what?
What is the colorful underwater ecosystem made by tiny animals called?
What is a coral reef?
What is a fully protected area where no fishing or drilling is allowed?
What is a marine reserve?
How do oil spills affect marine environments?
They poison marine life and damage habitats.
What happens to water pressure when you go deeper in the ocean?
What is increases?
Overfishing and pollution cause the fish pollution to what?
What is a decrease or smaller?
What is the place where fresh water from rivers meets the salty ocean?
What is an estuary?
MPAs help restore fish species and increase their what?
What is the population?
What happens in the ocean when there is an excess of nutrients, such as nitrogen?
What is an algae bloom (or eutrophication)?
Which zone of the ocean gets sunlight and supports most sea life?
What is the surface zone or sunlight zone?
What causes the fish to move to a different location to live and reproduce?
What kind of trees grow in salty water and help protect the coast?
What are mangroves?
Name two things needed for MPAs to be effective.
What are enforcement and good management
An area with very low oxygen where marine life cannot survive is called what?
What is dead zone?
What is the name for how salty ocean water is?
What is salinity?
What is fish farming called?
What is aquaculture?
What zone is underwater at high tide and dry at low tide?
What is the intertidal zone?
MPAs help maintain this the variety of life in the ocean
What is biodiversity?
Unwanted animals caught during fishing is called what?
What is bycatch
What ocean phenomenon causes periodic warming of surface waters in the Pacific Ocean?
What is El Niño?
What fishing method drags big nets on the ocean floor?
What is bottom trawling?
What ecosystem is very important for young fish safety and growth?