According to page 25, the effect caused by the dolphins' need to breathe while sleeping is:
Dolphins sleep with only one half of their brains.
A dolphin
needs to come
to the water’s
surface to breathe. So it sleeps with
only half its brain—and closes only one
eye—at a time. The other half stays
awake to tell the dolphin to breathe and
warn it of danger.
A Good Night's Sleep
According to page 25, which effect is caused by the dolphins need to breathe while sleeping?
(1 point)
Responses
Dolphins sleep with their heads above water.
Dolphins sleep with their heads above water.
Dolphins sleep only when it is safe.
Dolphins sleep only when it is safe.
Dolphins sleep with only one half of their brains.
Dolphins sleep with only one half of their brains.
Dolphins sleep with both eyes open.
1 answer