Undersea Vents
The first undersea vents were discovered near this famous group of islands.
Galapagos Islands
This is the largest species of shark.
Whale shark
The name "cephalopod" means this.
"Head foot"
This zone is where the ocean and the land meet.
Intertidal zone
Although it's called a crab, this largest of all land invertebrates isn't a true crab.
Coconut crabs
These strange vent creature looks like it's wearing lipstick.
Tubeworms
Scientists think this type of shark is the longest living vertebrate
Greenland shark
This is the only type of living cephalopod that still has an external shell.
Nautilus
Many kelp forests are threatened by an overpopulation of this spiny invertebrate.
Sea urchins
This ocean ecosystem has the highest biodiversity of any place on Earth.
Coral reefs
The vents spew out this toxic chemical.
Hydrogen sulfide
Sharks have this type of skeleton.
Cartilaginous
Cuttlefish have an internal skeleton called this.
Cuttlebone
The tiny polyps that build the coral reefs have a symbiotic relationship with these organisms that give the reefs their color.
Algae
Cephalopods are members of this class of animals.
Molluska
Bacteria around the vents use this process to make energy.
Chemosynthesis
This scary looking shark can extend its jaw to capture prey.
Goblin shark
Cephalopods descended from these prehistory shelled animals.
Ammonites
These areas are characterized by brackish water, a mix of freshwater and saltwater.
Estuaries
Sharks have a lateral line system that helps them sense these.
Low frequency vibrations
The vents were first discovered using this tiny 3 person sub.
Alvin
Sharks have special organs to detect this sort of field.
Electromagnetic fields
This type of cephalopods are known for their intelligence and problem solving ability.
Octopus
Kelp use these to help them float.
Gas bladders
Because crabs have 10 legs, they are called this.
Decapods