Aquatic Biomes Quiz

What is the main limiting factor for terrestrial organisms?

• Temperature and moisture

• Sunlight and dissolved oxygen

• Nutrients and sunlight

• Temperature and nutrients

What is the maximum depth of the photic zone?

• 100 meters

• 200 meters

• 400 meters

• 300 meters

What is the main source of dissolved oxygen in surface water?

• Photosynthesis

• Runoff and rivers

• Chemical reactions

• Atmospheric absorption

Which zone of the ocean receives the least amount of sunlight?

• Benthic zone

• Aphotic zone

• Photic zone

• Intertidal zone

What is the main challenge for organisms living in the intertidal zone?

• Very cold water

• Complete darkness

• Extreme water pressure

• Constantly changing conditions

What type of organisms cluster around hydrothermal vents in the ocean floor?

• Predators

• Decomposers

• Producers

• Scavengers

What are Marine Protected Areas?

• No-fishing zones

• Areas with no sunlight

• Areas with high fish populations

• Areas with high nutrient concentrations

What is the main determining factor for aquatic biomes?

• Temperature and moisture

• Sunlight and dissolved oxygen

• Nutrients and sunlight

• Temperature and nutrients

What is the main adaptation for organisms living in the aphotic zone?

• Chemosynthesis

• Runoff and rivers

• Atmospheric absorption

• Photosynthesis

What is the main challenge for organisms living in the deep ocean?

• Constantly changing conditions

• Complete darkness

• Very cold water

• Extreme water pressure