Adependent variable is:
a. measured to show the effect of a change.
b. collected to draw conclusions.
c. kept the same to make an experiment a fair test.
d. changed to test a hypothesis.

Answer is A. Measured to show the effect of a change.

Explanation:

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: