A food pyramid is a represntation of predatory relationships in the food chain.
Answer:
I believe the answer is B
Vinegar could usually be added to pickles because the added acid of the vinegar inhibits any sort of bacteria from entering the substance, and this would help keep them fresh for a longer period of time too.
Without energy, nothing would exists. we wouldn’t even exist.
Answer:
(d) Cell wall
Explanation:
The cell wall is a structure located on the outside of the cell membrane in the cells of plants, bacteria, fungi, and algae. It is a resistant, tough and flexible layer, which has the vital function of supporting the osmotic pressure inside the cell, preventing the cell from lysis when water enters. Besides, it has the function of giving rigidity, support and defining the shape of the cell.