I think the answer would be down
A change in environment that causes an organism to take action is : C. Stimulus
For example, let's examine a toddler environment. If you put a shiny new object in front of baby (a change in environment) , that baby will be attracted to that shiny object and attracted to it. In this case, the shiny new object is the stimulus
hope this helps
Plant cannot produce their own food.
The sample must have a high probability of representing <span>the population.</span>
