Taxonomy

1. Diversity in Living
Organism
Class 9

2. Introduction
• Approach for a
systematic
arrangement of
organisms.
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Content
1) Importance of
living world
2) kingdom of system
of classification
3) Plant kingdom
4) Animal kingdom

3. TAXONOMY -
* Systematic
arrangement of
organisms on
basis of their
relatedness
* theory &
practice of
classifying
organism

4. Diversity of life
*diversity - wide
variety of
organisms in our
world
*Species
diversity -
Measure -
species richness
and its
distribution

5. Diversity of life
*3.5 billion years
of organic
evloution
*Presently - 1.4
known
* 50 times more
extinction

6. Definition
* Taxonomy
theory and practice
of classifying
organisms
* Biodiversity -
Diversity of life
forms

7. IMPORTANCE OF
CLASSIFICATION
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To study - wide variety of organism easy
Picture of all life form at a glance
To understand relations among groups of
organisms
Science of biogeography, ecology, ethology
studies understanding

8. BIODIVERSITY
*Biological
diversity
* term - Walter G.
Rosen
* Variability -
among, within
species and of
ecosystems