• Bio – means life
• Ologos – to study / the study
• BIOLOGY – is the study of life / the
study of living things
• Biologist – the person who studies
Biology

• Aristotle – Greek
philosopher; first who
classified living things as
to air, land, or water
dwellers; Father of
Biology

• Galen – Greek physician;
first to dissect apes and
pigs; Father of Anatomy

• Andreas Vesalius – made
the first dissection on
human anatomy;
discovered Comparative
Anatomy

William Harvey – showed
conclusively that the heart
pumps blood and the blood
circulates

• Marcello Malphigi –
Italian physician &
anatomist, founder of
microscopic anatomy

• Anton Van Leeuwenhoek
first to use microscope;
discovered
microorganisms such as
protozoans called
animalcules

• Charles Darwin –
wrote the book On
the Origin of Species
By Means of Natural
Selection

2 Major Divisions of
Biology
• Botany – the
study of PLANTS
• Zoology – the
study of
ANIMALS

Study of trees and their
Dendrology history
Study of fungi and some
Mycology association with plants
Study of fossil plants
Paleonbotany
Study of diseases of
Phytopathology plants
Study the principles of
Agriculture botany in growing food
plants
Study of cultivating fruits
Pomology

Arachnology Study of single class of
invertebrate (scorpions,
spiders, etc.)
Conchology Study of mollusks
Embryology Study of the development of
animal forms
Entomology Study of insects
Herpetology Study of reptiles
Mammalogy Study of mammals
Ornithology Study of birds
Ichthyology Study of fishes

• Anatomy – the
study of
structures of
entire
organisms and
their parts

• Physiology
– the study
of how the
body and
its parts
work

Ecology – study
of how organisms
interact with their
environment &
with other
organisms

• Parasitology – the study of the
organisms that live in or on other
organisms that caused diseases

• Taxonomy – the study of the
classification & evolutionary
interrelationships among
organisms

• Embryology – study of the
development & growth of
organisms

• Cytology – the study of the
structures & functions of cells

• Microbiology – the study of
microorganisms such as bacteria,
protozoans, and viruses

• Paleontology – the study of
fossils, the preserved remains and
traces of organisms from the past

• Genetics – the study of how traits
are inherited & passed on one
generation to the next

• Morphology – the study of gross
structures & forms of organisms

• Histology – study of tissues