Marine Life Environments The Ecological Zones Sea Animals General Facts
100
What marine life has organisms that live on or in the ocean floor called?
benthos
100
Which environment is actually a zone?
The Pelagic Environment
100
Which zone is the deepest ecological zone?
The Hadal Zone
100
Animals such as sponges, brachiopods, sea stars, echinoids, and octopuses are all common in what zone?
the Bathyal Zone
100
What are hot water vents, that organisms such as tube worms live called?
Black Smokers
200
What marine life has organisms that float or drift freely near the ocean's surface called?
blankton
200
Which environment are all the ecological zones grouped in?
The Benthic Environment
200
Which oceanic zone includes the volume of water that covers the entire sea floor except for the continental shelf?
The Oceanic Zone
200
Corals live in what zone?
The Sublittoral zone
200
Plants such as seaweed have strong what that allows them to grow?
Holdfasts (root like structures
300
What marine life has organisms that swim actively in the open ocean called?
nekton
300
Which environment is located near the ocean's surface?
The Pelagic environment
300
Which zone is the shallowest ecological zone, that is located between the low-tide and the high-tide limits?
The Intertidal Zone
300
What types of animals live within the Abyssal zone?
Crabs, sponges, worms, and sea cucumbers
300
How many times a day does the intertidal zone change?
Twice
400
What type of plankton is animal-like?
zooplankton
400
Is the Benthic environment near the ocean floor or near the middle depths of the ocean?
The ocean floor
400
Which zone covers the continental shelf, and has the largest concentration of marine life?
The Neritic Zone
400
What types of animals live in the Oceanic zone?
Giant squids, whales, and angel fish
400
Why is plant life scarce in the Bathyal zone?
The sunlight lacks
500
What type of plankton is plant-like?
phytoplankton
500
What are the two major zones in the pelagic environment?
The Neritic Zone and the Oceanic Zone
500
Which zone is the largest ecological zone, but no plants and few animals live in it?
The Abyssal Zone
500
What types of animals live in the Neritic zone?
Fish, plankton, dolphins, and other mammals
500
The neritic zone contains diverse marine life, because it receives more what than the other zones?
Sunlight






Life In the Ocean

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