if different types fertilizer, but the same amount of sunlight, water and soil are given to a plant what would be the independent, dependant and control variables?

i don’t know what the answer is i wish i

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.