Still sharks

Question 1

Sharks use highly sensitive … to detect the electric fields emitted by potential …

Answer 1

electroreceptors, prey

Question 2

This study shows that some shark … can detect …-mimicking electric fields and respond by ceasing their … … … and “…”

Answer 2

embryos, predator, respiratory gill movements, freezing

Question 3

Which species?

Answer 3

Brownbanded bamboo shark

Question 4

Despite being confined to a small space within their egg case, where they are vulnerable to predators, embryonic sharks are able to recognise dangerous … and react with an … … response.

Answer 4

stimuli, innate avoidance