Geology
Name a trench.
The Mariana Trench
Are corals animal or fish?
invertebrate animals
What is the state fish of California?
Garibaldi
What are two functions of bioluminescence?
Attracting prey, counterillumination, camouflage, stunning, social cues
What is the NOAA?
National Oceanic Atmospheric Agency
The ocean covers how much of the Earth?
~70%
What are whalefalls?
A mini-ecosystem formed when a whale carcass falls into the depths, attracting scavengers
Diatoms are a type of?
Phytoplankton/Plankton
True or False: Larger animals are less energy efficient
False!
What shape are squids' brains?
A donut
The epipelagic zone has the most?
What are hydrothermal vents?
Fissures where seawater meets magma. Many have thriving ecosystems that feed off of chemosynthesis from the minerals produced from the vents.
Instead of teeth, squids have?
A beak
What are the two main factors animals have to adapt for in the deep sea?
Water pressure and lack of sunlight
What percentage of the world's seafood does aquaculture supply?
50%
What is the deepest zone of the ocean called?
Hadal Zone
Instead of photosynthesis, how can primary producers make energy in the deep sea?
Chemosynthesis
Do sharks need to keep moving to stay alive?
Depends on the species! but generally, they have other methods of breathing too
Deep sea animals tend to?
Move more slowly, be blind, evolve slower, etc.
What shark species has a long whip-like tail?
Threshers
How are trenches formed?
When one tectonics plate subducts under the other
Are there coral reefs in the Arctic Ocean?
What organ helps sharks stay afloat?
Liver
What is counterillumination?
Reflecting ambient/producing light to match their surroundings and camouflage
What are nudibranchs?
Sea slugs!