It would be:
Individual < Population < Community < Ecosystem < Biome < Biosphere.
I am not sure what the answer is
What would most likely reduce the bias present in Elias' experimental design would be to not ask just the members of his high school team to be the subjects because they represent a very specific group of people. It would be much better to use a random group of people and have them do the same thing.
Solution;
Unsaturated fats are typically liquid at room temperature. Unsaturated fats come primarily from plant foods, such as nuts and seeds, and. Examples include vegetable oils such as olive, peanut, safflower, sunflower, soybean and corn etc
While,
Saturated fats – which are found in butter, cheese, red meat and other animal-based foods. Decades of sound science has proven it can raise your “bad” cholesterol and put you at higher risk for heart disease.
Thus the saturated fats are differs from the unsaturated fats.
The answer would be population