Aquatic Ecosystems Quiz

What factors determine the organisms that live in different areas of the water?

• Water flow, sediment, and pH

• Depth, salinity, oxygen, and nutrients

• Sunlight, temperature, and precipitation

• Temperature, dissolved oxygen, and light

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-2

What is the definition of salinity?

• The amount of dissolved oxygen in the water

• The amount of sunlight that can penetrate the water

• The amount of nutrients available in the water

• The amount of salts dissolved in the water

Tags

NGSS.MS-LS2-4

What is the difference between a flowing system and a standing system?

• Flowing systems exchange gases and nutrients, while standing systems do not

• Flowing systems have more sunlight, while standing systems have less

• Flowing systems have more organisms, while standing systems have fewer

• Flowing systems have higher salinity, while standing systems have lower

Which zone of an aquatic ecosystem contains enough light for photosynthesis?

• Benthic Zone

• Aphotic Zone

• Photic Zone

• Euphotic Zone

Tags

NGSS.MS-LS1-6

What is the bottom layer of a body of water called?

• Benthic Zone

• Euphotic Zone

• Photic Zone

• Aphotic Zone

What is the main threat to coral reefs?

• All of the above

• Excess soil runoff

• Climate change

• Acidification

Tags

NGSS.MS-LS2-5

What are the major types of marine ecosystems?

• Marshes, swamps, and mangrove forests

• Oceans/bays, estuaries, coastal wetlands, and coral reefs

• Tropical rainforests, deserts, and tundra

• Lakes, ponds, and rivers

Tags

NGSS.MS-LS2-5

What is ocean acidification?

• The pollution of ocean waters by industrial waste

• The rising levels of acidity in ocean waters due to excess carbon dioxide

• The process of converting ocean water into freshwater

• The formation of coral reefs in the ocean

Tags

NGSS.MS-LS2-4

What are the major types of freshwater ecosystems?

• Lakes, ponds, and rivers

• Oceans, estuaries, and coastal wetlands

• Tropical rainforests, deserts, and tundra

• Marshes, swamps, and mangrove forests

What is the function of wetlands?

• All of the above

• To act as filters for pollutants

• To provide habitat for rare species

• To reduce the likelihood of floods

Tags

NGSS.MS-LS2-5