Please provide the solutions to the following biology questions, focusing on filtration in kidneys, amoeba's circulatory system, and spirogyra cell description.

Here are the solutions to your biology questions: SECTION 1 (Nineteen questions) 1. Filtration of wastes in the kidneys takes place in the The glomerulus is a network of capillaries where blood is filtered to form urine. C) Glomerulus 2. Lower organisms like the amoeba do not have a blood circulatory system because: Amoebas are single-celled organisms with a large surface area to volume ratio, allowing for efficient diffusion of substances directly with their environment. C) They have a large surface to volume ratio 3. Which of the following best describe a spirogyra cell? Spirogyra is a filamentous green alga. It is multicellular