Lightning I think. I don't understand the question
Answer:
The Loop of Henle serves to create a concentration gradient throughout the nephron which helps increase the reabsorption of water and certain ions. In the thin descending limb, water is very permeable and is reabsorbed due to the existing concentration gradient in the medulla.
Answer:
Primary consumers are animals that eat primary producers; they are also called herbivores (plant-eaters)
Explanation: