Primative human societies used plants for which reasons. a. gathering for eating
b. staying warm
c. combating pain
d. choice 1 & 2
e. choice 1 & 3
f. choice 2 & 3
g. none of the above
h. choice 1, 2, & 3

e. choice 1 & 3

Explanation:

Plants are used for medicine and for eating, not for staying warm.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: