Choose the correct answer from the codes given below.
Assertion (A) : The pyramid of grassland ecosystem is upright.
Reason (R) : The producers are maximum in number and tertiary consumers are least in number.
1
Both (A) and (R) are true and (R) is the correct explanation of (A)
2
Both (A) and (R) are true but (R) is not the correct explanation of (A)
3
(A) is true but (R) is false
4
(A) is false but (R) is true