food, water, cover, space, and the arrangement of the previous 4 (animals need to be able to GET to those 4 elements)
Parasitismi think is the answer
A significant loss of hearing associated with senescence is referred to as Presbycusis.
The correct answer is cell organelle -Lysosome
Lysosome is small, round, membrane bound cell organelle that contains cluster of digestive enzymes which are capable of break down large food particles such as protein, carbohydrates and lipids into smaller ones. Lysosomes function as the digestive system of the cell. Thus, lysosomes recycle nutrients for the cell.
They are connected by tendons