The best description about the brain stem is: it is the most important organ of our body's survival. It connects the brain and the spinal cord, controls the vital organs like the lungs and heart and it also coordinates the many essential body reflexes.
The answer is; YES
All organisms share one common ancestor in the beginning of life. Different species have branched at different times from common ancestors hence he evolutionary tree looks like tree called a cladogram. The nodes represent the common ancestry while branches depict divergence. Therefore even fruit flies and the fruit bats even though they do not belong to the same species shared a common ancestor at one time in history.
Anatomy
Anatomy is the branch of biology that deals with the study of the structure of organisms and their parts.
Biochemistry
Biochemistry is the branch of biology concerned with the chemical and physiochemical processes that occur within living organisms.
Biophysics
Biophysics is the science of the application of the laws of physics to biological phenomena.
Biotechnology
Biotechnology is the exploitation of biological processes such as genetic manipulation of micro-organisms for the production of antibiotics, hormones, etc.
Botany
Botany is the scientific study of plants, including their physiology, structure, genetics, and ecology.
Cell Biology
Cell biology is the study of cell structure and function, and it revolves around the concept that the cell is the fundamental unit of life.
Evolution
Evolution is the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth (Darwinism)
Genetics
Genetics is the study of genes, genetic variation, and heredity in living organisms.
Immunology
Immunology is the branch of medicine and biology concerned with immunity.
This excerpt was used from bioexplorer.net please credit them or but this into your own words to prevent plagiarism
