Page 4 - Lesson notes- Living world

Taxonomical Hierarchy

Species: Group of organisms with fundamental similarities.
eg. Mangiferaindica
In this species is indica.
Genus: Group of realated specieswith common characters.
eg. Panthera is a genus which includes
lion(Pantheraleo),leopard(Pantherapardus) & Tiger (Pantheratigris).
Family: Group of realated genera .
eg. Genus Solanum,Petunia&Datura belong to one family Solanaceae.
Order : Group of related families.
eg. FamaliesConvolvulaceae,Solanaceae belong to one order- Polymoniales.
Class : Group of related orders.
eg. Order Primata&Carnivora belong to one class Mammalia.
Phylum: Group of related classes.
eg. Class Mammalia, Pisces,Amphibia,Reptilia belong to one phylum -
Chordata.
Kingdom: Group of all related Phyla.
eg. Kingdom Animalia-includes all animals.

Organisms with their Taxonomic Categories

Commo Biologic Genus Family Order Class Phylum/Divisi
n al on
Name Name
Man Homo Homo Hominidae Primat Mammalia Chordata
sapiens a
Housefl Musca Musca Muscidae Dipter Insecta Arthropoda
y domestic domestic a
a a
Mango MangiferMangife Anacardiace Sapind Dicotyledonae Angiospermae
a ra ae a
indica les

Wheat Triticum Triticum Poaceae Poales MonocotyledonAngiospermae
a ae
estivum

Taxonomical Aids

-Articles helpful in correct identification & classification of organisms are
called taxonomical aids.

1-Herbarium: