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






Life in the Ocean

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