is bladderwort a producer of a consumer. An animal that can't produce its own food and it eats plants and other animals. That is what a consumer is.
If it is; What is the purpose of a control in verifying a hypothesis or conducting an experiment, it is: Controls are needed to eliminate alternate explanations of experimental results. That is in order to test a particular variable you need a control. For e.g.
The control is a variable held constant, thereby not being âvariableâ at all. The role of a control is to ensure that varying factors the scientist is not interested in and that would normally lead to changes in the dependent variable will not have an influence on the dependent variable in the experiment.