Answer:
They are usually found in the center and they are called embyro sacs.
Explanation:
Decomposers break down dead animals and plants. They usually benefit producers by releasing nutrients back in the soil.
Answer:
They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
Metabolic waste is the left over products of both catabolism and anabolism. This waste includes salts, phosphates, sulfates, excess substances, and nitrogenous wastes like urea which are eliminated through urine.