What is Biology? 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
Brief History of Biology Aristotle – Greek philosopher; first who classified living things as to air, land, or water dwellers ; Father of Biology
Brief History 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
Divisions of Biology 2 Major Divisions of Biology Botany – the study of PLANTS Zoology – the study of ANIMALS
BOTANY Dendrology Study of trees and their history Mycology Study of fungi and some association with plants Paleonbotany Study of fossil plants Phytopathology Study of diseases of plants Agriculture Study the principles of botany in growing food plants Pomology Study of cultivating fruits
ZOOLOGY 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
Some Branches of Biology Anatomy – the study of structures of entire organisms and their parts
Some Branches of Biology Physiology – the study of how the body and its parts work
Some Branches of Biology 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
Q & A What is biology? Who is considered to be as the father of biology and why? Who was the first scientist to dissect a human body? Who was the first scientist who used the microscope? What are the two major divisions of biology?