class ix science

3. Classification is a method
of scientific
taxonomy used to group
and categorize organisms
into groups.

4. The first person to classify organisms into
different groups was ARISTOTLE.
He classified organisms according to their
habitat. As the organism live on land, water
or in the air.

5. The classification of organisms is based on such features or
characters, which are similar in one kind of organisms and
different in different kind of organisms.

6. Biological evolution is defined as any
genetic change in a population that is
inherited over several generations.

7. The origin of species was the book in which
CHARLES DRAWIN first described the idea of
evolution in 1859.

8. KINGDOM
FAMILY
CLASS
DIVISION (plants)PHYLUM (animals)
ORDER
GENUS
SPECIES

10. ERNST HAECKEL
ROBERT
WHITTAKER
CARL WOESE

13. BACTERIA
MYCOPLASMA

16. AMOEBA
PARAMECIUM
PROTOZOA

19. PENICILLIUM
AGARICUS

20. The scientific name for an organism is unique
and can be used to identify it anywhere in the
world. The system of scientific naming or
nomenclature we use today was introduced by
Carolus Linnaeus in the eighteenth century.
The scientific name of an organism is the result
of the process of classification which puts it
along with the organisms it is most related to.

21. NAME SCIENTIFIC NAME
Pine
Deodar
Cockroach
Spider
House fly
Star fish
Sea horse
Common frog
House wall lizard
Ostrich
Pinus
Cycas
Pariplaneta
Aranea
Musca
Asterias
Male hippocampus
Rana tigrina
Hemidactylus
Struthio camelus