Question

One of the signs that sleep is necessary is that all living creatures __________.

Answer 1

A

Step-by-step explanation:

Sleep is necessary for all living creatures and when sleep is disturbed it can cause health problems, even for animals.

Answer 2

Sleep is very necessary to all living creatures. One of the signs that sleep is necessary is that all living creatures have decreasing simulation responses when in need of sleep and reduction of physical activity and the feeling of being tired because of the need to rest the body.