Four different mammals all live among oak and maple trees in a forest. They don't seem to compete for the same foods or nesting
places. Which of the following is a likely explanation for this lack of competition? A. There is a shortage of space B. Their small size is a limiting factor that reduces competition among them. C. There is no shortage of food D. The four species occupy different niches or roles in the environment.
For safety it is important to consider the danger of aggressive animals like bears or wolves when planning an outdoor activity because an attack could be very fatal.
independent variables are what affects the dependent variable. the outcome that you are looking for (test performance) is the dependent variable. what affects the test performance is the change in method of studying, so that is the independent variable.