Answer:
D. contains fluid that becomes more concentrated as it moves down into the medulla
Explanation:
In kidney, loop of Henle is portion of the nephron which leads from proximal convoluted tubule to distal convoluted tubule.
Liquid entering loop is solution of the salt, urea, and also other substances which are passed along by proximal convoluted tubule. It is the tubule from which most of dissolved components which are needed by body are reabsorbed into blood. <u>First segment of loop,descending limb, is permeable to the water, and liquid reaching bend of loop is much richer than blood plasma in the salt and the urea.</u> As liquid returns through ascending limb, NaCl diffuses out of tubule into surrounding tissue, where concentration is lower. In third segment of loop, tubule wall effect further removal of the salt.
Answer:
Edaphon, Leaf litter and earthworm
Explanation:
- Edaphon is the general term used to reffer to the animals and plants present in the soil.
- On the other hand, there is not only one name for the fallen leaves on the forest floor. It could be either plant litter, leaf litter or even tree littler. Although the name suggests it is only leaves, this <u>plant litter</u> could include leaves, barks and twigs that can fall off a tree.
- The edaphon its made up of thousands of organisms including a huge number of bacteria, fungi, and arthropods. A good example of organisms living in the soil is an earthworm. Earthworms crawl through the soil feeding from it, digesting part of the organic material and fertilizing it with their excrement.
