Zones of the Ocean
This zone gets enough sunlight for photosynthesis, so producers like algae and phytoplankton can thrive here.
What is the sunlight zone?
A gently sloping, shallow area at the edge of a continent is the _______.
What is the continental shelf?
Earth’s outermost layer is the _______.
What is the crust?
Soft-bodied marine animals related to jellyfish are called _______.
What is coral?
Sea turtles belong to the kingdom _______.
What is Animalia (Animals)?
This zone was named after Hades, the God of the Underworld.
What is the Hadal Zone?
The steep drop-off after the continental shelf is called the _______.
What is the continental slope?
Liquid rock beneath Earth’s crust is called _______.
What is magma?
Individual coral animals that live in colonies are called _______.
What are polyps?
Sea turtles belong to the class _______.
What are reptiles?
In this zone, animals may have large eyes or bioluminescence because there is only dim light.
What is the twilight zone?
A smooth, nearly flat region of the deep ocean floor is the _______.
What is the abyssal plain?
Sections of Earth’s crust that move are called _______.
What are tectonic plates?
The stinging cells in coral tentacles are called _______.
What are nematocysts?
A cold-blooded animal that relies on its environment for body temperature is _______.
What is ectothermic?
The Mariana Trench can be found in this zone.
What is the Hadal Zone (trenches)?
Underwater mountains that do not necessarily reach the ocean’s surface are called _______.
What are seamounts?
At a _______ boundary, plates move apart and new crust forms.
What is a divergent boundary?
Single-celled algae living inside coral tissues that provide nutrients and color are _______.
What are zooxanthellae?
The top part of a turtle’s shell is the _______ and the bottom is the _______.
What is the carapace and plastron?
The Titanic shipwreck sits about 3,800 meters (12,500 feet) deep in the Atlantic Ocean, meaning it is located in the _______ zone.
What is the abyssal zone?
A tool that uses sound waves to map the ocean floor is _______.
What is sonar?
This process happens at mid-ocean ridges when magma rises, cools, and forms new ocean floor.
What is seafloor spreading?
Coral polyps and zooxanthellae are in a symbiotic relationship called _______ because both organisms benefit.
What is mutualism?
Match the turtle to its diet: Leatherback, Loggerhead, Green, Hawksbill.
What is Leatherback = jellyfish?
What is Loggerhead = crustaceans?
What is Green = sea grass?
What is Hawksbill = sponges?