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Taxonomy: The Study Of Classification

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Karan Joshi

on 30 August 2015

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Transcript of Taxonomy: The Study Of Classification


Taxonomy

It is the science of classifying biological organisms Into groups.
Taxonomy: The Study Of Classification
Levels Of Classification

Life And Domain
Life is divided into cellular(domain) and non-cellular life
Animals
Outline Classification of Plants and Animals
Disclaimer
This is a long chapter all extra material in between can not possibly be included in this presentation unless you are willing to spend a weeks time with us. NONSTOP, Meaning no baths or food.
P.S no excretory breaks
By: Karan Joshi
By:Samuel Patel
What is it?
How we do it?
Why do we do it?
We Classify Organism on the basis of shared characteristics between organisms

Systems Of Classification
Natural System
Artificial System
-Makes it easier to Study organisms
- Easily compare organisms
-And to provide it an international identity
Kingdom

Animals
Monera
Plants
Protoctista
Fungi
Chordate
Non-Chordate
• Absence of nucleus
• All are unicellular
• Presence or absence of a cell wall
• Mainly bacteria and blue-green algae

Kingdom Monera
• Unicellular organisms
Chromosomes enclosed in nuclear membrane
• Includes protophyta – unicellular plants
• Includes protozoa – unicellular animals

Kingdom Protocista
Kingdom Fungi
Eukaryotic
filamentous
uni or multicellular
-How are plants and fungi different
cell wall made of chitin
achlorophyllous
chemoheterotrophic
spores to reproduce
Made of thread like hyphae
examples: mushrooms, toadstools
Kingdom Plants
made up of many cells
multi-cellular
outside wall made of cellulose
food made by photosynthesis
Kingdom Animals
multi-cellular
eukaryote
cell structure difference
hetrotrophs
capable of movement
Notes:
Not easy to fit all organisms into the 5 Kingdom Scheme
eg Viruses not in this scheme
Because generally not independent living organisms

2. Vertebrate Classes of Animal Kingdom
CLASS
Fish
Amphibia (frogs, toads, newts)
Reptiles (lizards, snakes, turtles)
Birds
Mammals (below are 4 of 26)
Examples
Insectivores
Carnivores
Rodents
Primates
Bacteria and Fungi excluded
1. Examples of 5 invertebrate groups of animal kingdom
Coelenterates (sea anemones, jellyfish)
Flat Worms
Annelids (segmented worms)
Molluscs (snails, slugs, mussels, octopuses)
Arthropods
Echinoderms

CLASS
Crustacean (crabs, shrimps, water fleas)
Insects
Arachnids (spiders and mits)
Myriapods (centipedes and millipedes)
Plant Kingdom
3. Non-Seed Bearing Plants
Algae
Ferns
Bryophytes
- Liverworts
- Mosses
Plant Kingdom
4. Seed Bearing Plants
Conifers
Flowering Plants
- Monocotyldons
- Dicotyledons
Trees
Shrubs
Herbs
Notes:
Species
smallest group or level is species
eg robins, blackbirds and sparrows are 3 different species of a bird
species are generally identical in anatomy, physiology and behaviour
species resemble each other in appearance
Organism of same species can breed together
Closely related species are grouped into a genus
eg stoats, weasels, polecats are grouped into genus 'Mustela"

Binomial Nomenclature
First name gives the genus (starts with capital letter)
Second gives the species (starts with small letter)
eg Stoat is Mustela erminea
eg Weasel is Mustela nivalis

Species named so recognised world wide
eg 'cuckoo flower' and lady's smock are 2 common names for the same wild plant
Botannical name is 'Cardamine pratensis
This latin name used world wide to avoid confusion.
Arachnids
Myriapods
Molluscs
Vertebrates
Fish
Anphibia
Reptiles
Birds
Mammals
Plant Kingdom
Algae
Bryophytes
Ferns
Conifers
Flowering Plants
Keys for Identification
Possible to draw up a systematic plan for identifying unfamiliar organism
Alternative is Dichotomous key
Same technique for class, genus or species
CHECKLIST
Le fin
Any Questions
Domain Is Divided into 3 main Categories
Sulfolobus acidocaldarius
Salmonella typhi ( Causes typhoid Fever)
AkA "the Ayushman"

Paramecium
Brain Mushroom
Narwhal
Mantis shrimp
Jellyfish (Coelenterates)
Glaucus Atlanticus ( mollusks)
Starfish (echinoderms)
Happy face spider
Panda ant(arthropods-Insects)
Centipede-Myriapods
Rajvi You should close your eyes
Monarch Butterfly
Goblin Shark
Ant Eater
Lowland Streaked Tenrec
Moss
algea
ferns
Liverworts
other cool animals
Archaea, Bacteria and Eukarya
Flatworm
segmented worm
crustacean-crab
super bird of paradise
Aye-AYe
Bush Viper
Pacu Fish
Indian purple frog
Full transcript