Over 90% of deep-ocean organisms have a special adaptation called bioluminescence, which is _____.

(1 point)
Responses

eyes that can glow
eyes that can glow

echolocation, or sonar allowing them to find their way in the dark like bats
echolocation, or sonar allowing them to find their way in the dark like bats

giving off light
giving off light

making themselves invisible to predators

1 answer

The correct response is: giving off light.