What types of animals do you know that are bioluminescent?
fireflies, jellyfish, squid, some types of worms
The "Bahia Bioluminiscente" or "Bio Bay" is home to ________ dinoflagellates that light up when the water moves.
creatures
limited amounts
unique
countless
The ocean becomes a perpetual twilight, blue disappears, the ocean is as black as the night sky. These _____ make light uniquely useful as a weapon or veil.
elements
situations
characteristics
factors
Which animals are know for their bright colours or spectacular appearance?
chameleons, poison dart frogs, blue morpho butterfly, scarlet macaw, toucan, lionfish, mandrill
Fireflies can create light, ________ to attract mates on a warm summer night.
dying
trying
dimming
flashing
In what ways do you think the characteristics of brightness, shininess, or spectacular features help the animals?
They can help the animals survive through camouflage, or by scaring predators away.
Jellyfish and swimming snails are ________, ghostlike creatures, almost impossible to see.
colourful
bioluminescent
white
transparent
Any life form that stands out is in danger of being spotted by _________.
fishermen
predators
mermaids
sharks
What is meant by the "burglar alarm" effect?
Organisms produce light, which attracts the predators of their predators. (Enemy of an enemy is a friend.)
In the sea, an _______ number of beings can make light.
around normal
astonishing
outrageous
diminishing
In the ocean's upper _____, where light penetrates, creatures need to blend in to survive.
waters
layers
shelf
coral
When surviving in the sea, there is almost nowhere to hide, so being _______ is very important.
covered in coral
blue
visible
invisible
Why might it be useful for an organism to be bioluminescent?
for protection, to find prey, to attract a mate
As you ______, sunlight disappears.
fall
ascend
descend
rise
But if the aim is to remain invisible, why do some creatures light up when they are touched, or when the water nearby is _________?
disturbed
still
hot
wavy