Deep-Sea Bioluminescence Quiz

What strategy do hatchetfish use to avoid detection?

• Camouflage with rocks

• Counter illumination

• Mimicking other animals

• Hiding in caves

Which animal uses bioluminescence to lure prey?

• Octopus squid

• Hatchetfish

• Anglerfish

• Vampire squid

What is the role of special proteins in the eyes of barreleye and strawberry squid?

• To enhance speed

• To see through illuminating camouflage

• To increase size

• To produce sound

What is a common feature of deep-sea environments?

• Abundant sunlight

• High temperatures

• Dim blue light

• Freshwater streams

What is a foolproof strategy mentioned for avoiding predators?

• Hiding in sand

• Counter illumination

• Mimicking other species

• Using special proteins in eyes

What attracts deep-sea animals to a bright light in the ocean?

• The light resembles food

• The light is warm

• The light is colorful

• The light is loud

Why is red light advantageous for deep-sea animals?

• It does not penetrate to the deep sea

• It is the brightest color

• It attracts more prey

• It is warmer than other lights

What do male and female lanternfishes use bioluminescence for?

• To find a mate

• To hunt prey

• To scare predators

• To navigate

How do red animals benefit from the loosejaw dragonfish's red light?

• They become nearly invisible

• They become more visible

• They become faster

• They become larger

What is the purpose of flashy displays of bioluminescence in deep-sea fish?

• To entice a mate

• To scare predators

• To find food

• To navigate