Question

80. An almost universal cost associated with group living is:
(a) poorer access to mates
(b) higher exposure to disease and parasites
(c) increased risk of predation
(d) poorer access to sleeping sites


81. Dreaming occurs in:
(Orissa JEE 2004)
(a) A-sleep
th) REM sleep
(c) Deep sleep
(d) Slow wave sleep
​

Answer 1

Answer:

80)b 81)b

Explanation:

most of the dreaming occurs during rem sleep