CYTOLOGY
Structure and function
within cells
ANATOMY
Structure of the
animal body
HISTOLOGY
Microscopic structure
of tissues and organs
PATHOLOGY
Nature of diseases,
causes and symptoms
PALEONTOLOGY
Fossil organisms
PHYSIOLOGY
Functions of living
material
EVOLUTION
Changes in species
over time
ECOLOGY
Relations of organisms
to their environment
SOCIOLOGY
Animal societies
including man
TAXONOMY
Classification of
organisms
GENETICS
Heredity
EMBRYOLOGY
Developmental stages
of organisms
OTHER SCIENCES
Including biochemistry,
physics, physiology,
etc.
ZOOGEOGRAPHY
Geographic distribution
of animals