Its is to remove liquid waste from the blood in the form of urine, and keep a stable balance of salts and other substances in the blood and produce erythropoietin, hormone that is the formation of ref blood cells. The kidney remove ursa from the blood through this filtering units called nephrons
Answer: When using fossils approximate age by comparing it to similar rocks and fossils of known ages, is called relative dating.
Using that method we can determine the age of rock layers. That’s our way of dating them.
Hope this helps! ^^
Nitrogen released from dead matter goes into soil, helping/feeding the plants, who in turn give us oxygen
Cells —-> Tissues
Tissues ——> Organs
Organs ——> organ systems
Organ systems ——> organism
Organisms ——> populations
Populations ——> community
Communities——-> ecosystem
Ecosystems ——-> biomes
Biomes ——-> biosphere (aka Earth!)
The organelle is the nucleus, which is the control center of the cell; it acts as the brain.
Hope this helps!
