L20 海

Which of the following factors determine the different freshwater biomes?

What is the primary producer in the ocean?

Which zone of the ocean has low primary productivity?

What is the area between high and low tide called?

Which biome is considered a highly diverse and productive area?

Which type of biome relies on chemosynthesis to produce food?

What is the main source of water movement in lakes and ponds?

Which zone of the ocean has the highest primary productivity?

What causes coastal upwelling in the ocean?

What percentage of the Earth's surface is covered by marine environments?

Which of the following marine biomes is characterized by low productivity and is often referred to as a biological desert?

Where are kelp forests primarily found?

Which of the following marine biomes requires clear water and a mixed substrate of solid and sand?

What is the primary source of food for organisms in deep ocean biomes?

What is the main process that organisms in hydrothermal vents rely on to produce food?

Which of the following is true about hydrothermal vents?

What is the primary source of food for organisms in the deep ocean?

What is the main human impact on the deep ocean?

What is the term for the phenomenon that occurs in freshwater environments where warm water floats on the surface?

What are the principal primary producers in the ocean?

Which biome is the largest on Earth?

What is the main cause of harmful algal blooms or red tides?

Which marine biome is characterized by shifting sand dunes and waves?

What is the main human impact on coral reefs?

Which marine biome is characterized by towering kelp plants?

Which of the following is a threat to coral reefs?

What is the primary producer in kelp forests?

Where are seagrass beds typically found?

What is the main factor that determines the vertical zonation in rocky intertidal zones?

Which of the following is true about deep ocean biomes?