Branches of Biology: Specializations and Disciplines

Study of the interaction of organisms with their environment

• Systematics
• Taxonomy
• Paleontology
• Ecology

Study of the development of an animal from the fertilized egg to birth or hatching

• Cytology
• Parasitology
• Embryology
• Anatomy

Study of the structure, function, and evolution of the genetic composition of groups of animals using computer-based computational methods

• Genetics
• Molecular Biology
• Comparative Genomics and Bioinformatics
• Ethnobotany

Study of tissues

• Parasitology
• Morphology
• Taxonomy
• Histology

Study of blood and blood disorders

• Physiology
• Hematology
• Cytology
• Comparative Genomics and Bioinformatics

Study of the structure of entire organisms and their parts

• Morphology
• Anatomy
• Genetics
• Paleontology

Study of animals that live in or on other organisms at the expense of the host

• Ecology
• Systematics
• Histology
• Parasitology

Study of the history of life on Earth as based on fossils

• Paleontology
• Ethnobotany
• Molecular Biology
• Genetics

Study of the function of organisms and their parts

• Histology
• Anatomy
• Physiology
• Cytology

Study of subcellular details of structure and function

• Molecular Biology
• Comparative Genomics and Bioinformatics
• Ethnobotany
• Genetics