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bioluminescent
Able to make its own light.
pressure
A force that pushes strongly on something.
invertebrate
An animal without a backbone.
camouflage
The way an animal blends in with its surroundings to stay safe or hidden.
bleaching
When coral turns white because it is unhealthy or the water is too warm.
colony
A group of animals living closely together in one area.
pelagic
Living or occurring in the open sea (near the surface), away from the sea floor.
siphon
A muscular tube that octopuses use to blast water and help them move.
camouflage
To hide by matching the color or texture of surroundings.
decompose
To break down naturally and disappear over time.
microplastics
Tiny pieces of plastic that are smaller than 5mm.
campaigning
Working hard in an organized way to make a big change happen.
expedition
A journey taken for a specific purpose, often to explore or discover something new.
uncharted
Not mapped or explored; unknown territory.
venture
To go somewhere that is unknown or possibly dangerous; a daring journey.
How many arms does an octopus have?
8
