Answer:
Option C should be correct one.
Explanation:
Negative mutations linger longer in asexual organisms. ...
Diversity is limited. ...
Population numbers can be difficult to control. ...
There can be an inability to adapt. ...
Overcrowding can be a real issue. ...
Reproduction can create competition.
A dependent variable is how they are recording, measuring or keeping track of the science experiment their doing.
A independent variable is the things/types there using to compare what is the most/least affective in the experiment.
A controlled variable is something that stays the same in the experiment or a group/set used for comparison