Fungi, they are decomposers of nature and are food for creatures. Like worms they are needed to decompose dead plants. For soil/nutrients.
Answer is a just took test
Answer:The endocrine system produces hormones that are transported to the target regions by the circulatory system. The Circulatory System delivers oxygen and nutrients in the blood to the surrounding cells to maintain Homeostasis. The blood in the Circulatory System is needed throughout the body so that other systems work properly. Like for instance the Nervous System has the brain, and the brain needs blood to function.
Explanation:
Because scientists are not the smartest people in the world and technology is not aged enough to do those kinds of things to figure it out. Also, ( I am a christian) God says in the bible that there are things that we will never understand but him.
