The term “homeostasis” and how the body’s organ systems relate to its
maintenance

homeostasis is the equal chemical balence in any living system, Explanation: therefore... how it works in a human is: having a good cell count in your blood for example, and a good amount of stomach acids, also balenced glucose level!

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation