Introduction Flashcards
Environmental biology
Study of organisms in relation with their environment. This includes interaction between the organisms and their inorganic and organic environment, especially as it relates to human activities
Molecular biology
Deals with the structure of organisms, the cells and their organelles at molecular level.
Microbiology
Study of microorganisms which include bacteria, viruses, Protozoa and microscopic algae and fungi.
Freshwater biology
Deals with organisms living in freshwater bodies i.e rivers, lakes, and the physical parameters of these water bodies
Marine biology
Study of life in seas and oceans. This incomes the study of marine life and the physical and chemical characteristics of the sea acting as factors for marine life.
Parasitology
Deals with study of parasites; their structure, mode of transmission, life history and host, parasite relationships.
Human biology
Study of man; including form and structure, function, histology, anatomy, morphology, evolution, genetics, cell biology and ecological studies etc of humans.
Social biology
Deals with study of social behavior and communal life of humans
Biotechnology
Deals with the use of living organisms, systems, or processes in manufacturing and service industries.
Percentage of oxygen in body mass
65%
Percentage of carbon in body mass
18%
Percentage of hydrogen in body mass
10%
Percentage of nitrogen in body mass
3%
Percentage of calcium in body mass
2%
Percentage of phosphorous in body mass
1%
Percentage of potassium in body mass
0.35%
Percentage of sulphur in body mass
0.25%
Percentage of chlorine in body mass
0.15%