Which term is used to describe a fact that has always been observed true but could at some future time not be observed as true.
a. hypothesis
b. theory
c. law

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:

the correct answer is d

genetic variation will increase because of a new habitat and food source.

explanation: