Marine Biology and Ocean Basins

Which is the deepest ocean basin?

• Pacific Ocean

• Atlantic Ocean

• Indian Ocean

• Arctic Ocean

Which is the largest ocean basin?

• Southern Ocean

• Pacific Ocean

• Arctic Ocean

• Atlantic Ocean

___________________ is the branch of science that investigates the organisms that live in saltwater.

• Forensic biology

• Microbiology

• Marine biology

• Molecular biology

_______________ is a large area of sea typically divided into geographic locations.

• Continent

• Ocean

• Organism

• Basin

________________ is one of the seven large land masses on the earth's surface, surrounded mainly by sea.

• Sea

• Ocean

• Ocean basin

• Continent

Which of the following best describes the pelagic zone?

• The shallow area near the coast

• The open ocean, away from the coast and ocean floor

• The ocean floor itself

• The area where rivers meet the ocean

What is the name of the topmost layer of the ocean where sunlight reaches?

• Bathypelagic zone

• Abyssopelagic zone

• Epipelagic zone

• Hadalpelagic zone

Which zone extends from 200 meters to 1,000 meters and is known as the "twilight zone"?

• Mesopelagic zone

• Epipelagic zone

• Abyssopelagic zone

• Hadalpelagic zone

Which of the following zones is the deepest part of the ocean?

• Epipelagic

• Hadalpelagic

• Mesopelagic

• Bathypelagic

Why are there no plants in the bathypelagic zone?

• The water is too cold for plants to grow.

• There is no sunlight for photosynthesis.

• The pressure is too low for plant life.

• The salinity is too high for plants.