0 ratings0% found this document useful (0 votes) 1K views11 pagesBiological Classification....
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content,
claim it here.
Available Formats
Download as PDF or read online on Scribd
“ Easliest classification was gen by [Axi
Divided Plants into hesbs , Shaubs and Twees
* He also divided animals into two gxoubs , those
which had Red blood and those that did not:
Two kingdom Classification — Given by
Casolus Linnaeus] - kingdom Plantae and
king dom Animalia:
NEET FLYS
Five kingdom eee oe
(1964) pzoposed a Five king dom classification.
The kingdom defined by him wese named Moneva,
Psotista, Fungi, Plantae and Animalia.
een needa tone
+ The main cvietesia fox classification used by him :
include Cell Stwuctuse, Bod O¥ ganization Mode —
of Nutvition , sebyoduction and Phylogenetic
selationshib-
+ The Fongi had chitin in theix walls while the
seen plants had a Cellulosic cell wallkingdom Monexa
» Sole member of kingdom Monera-
Most abudant Micxoozganism.-
y Categowies based on theiz Shabe
@ Rod-shabed
ana
2229 4A OF a
OSphevicat ? eC iC
Coccus:
@ spixol
Spixillum
+ Compaze to many othex O*Qanisms» bacteria aS
a qxoub Show the most extensive Metabolic divexsity:
Awchaebactevia
. These bacteria ave S edol» Since they live in some
of the most haysh habitat Such as-
Extveme Salty azeas > Halophiles
Hot S pings > Thes moacidophiles
N EET FLYS by, SHEENU
Awchaebactesia ew bactesia
But kyu
Different hai
Nee
Because they have a
diffevent cell wall
Stvuctute and this
feature is sesbonsible fow
theix SUBNiVal ip
extzeme Conditions.Methanogens - Present in Gut of Seveval Sonhent
animals Such aS cows and buffalo
‘ es as the
ae sesponsible fox the pyoduction of nee
biogas) fsom the dung of these animals.
FLYS by SHEENU
« avtotsophs like cyanobacteria (Blue
y Some like Anabaene and Nostoc
cel\ called erewo cysts Row
+ Photosyntheti
Qeeen algae
hone specialized
Nitzogen Fixation:
* Algae bloom is wien 9?
oves the sus face of polluted wakes
owth of plue- geen algae
bodies-
+ Algae bloom seleases neusotoxins » deplete Oxygen
and makes water unfit fow use-
etic autor ophs + oxidise Vawious inoxganic
, Nitwites anda
Substances
Anmoni the veleased energy tow theiv ATP
production - They helps in nursients recycling
like nitwogen> phospho sous ,ison and Sulbhux-
. Hetesoteo hic bactesia : D Z
prelerotrophit_ bec ee Se
making cued» production of antibiotic » N2
ization causes disease like cholexa, typhoid,
ketonus » cityus canker-
M coplasma > Oxganisms that com ble tel
Lack o cell wall: They ave the smallest
living cells Known and Can Suavive without
oxygen. Many mycoplasma ave path t
jm animals and Plants- F rhtb Has diatoms and golden al ae | desmids-
ii Faesh wates |Marzine » Photosynthetic >
Micvoscobic Plankton:
Ui). In diatoms cell wall have Silica which make
ik indestsuctble and cell wall overlab to
Fit together like a Soab box:
Gw- Theis accumulation fowms ‘ piatomaceous Eazth’,
Being gaitty khis Soil is Used in Polishing » Riltwation
of oil and Sysvps:
Ce i chie®, Producers 9 the Ocean
NEETELYS by SHEENU
dav. Masine , Photosynthetic .cel\ wall has sti fe
cellulose plates: oe ‘ae
(iv: Two flagella - one longitudinal and omer
feansVesse Ino fuxsow between the wall plates:
Example Tus multiplies zapidly » make
Sea appear wed (ved des) and produce toxins
fo Kill micsoosganism:
2: Evaiencids
aw Found in stagnant Fresh water:
uy: Have Protein wich layer “Pellicle” which
theix body Flexible: aeee
Example > Ev glen
4.- Slime Moulds
cis Sapsophytic peoti sts-
Ui): Undes Suitable conditions Fox
Called Plostooe an
and leaves:
tilt): Duving unfavourable conditions» plasmodium
digterentiates and foums feormg: baaics
beaxing spoxes at rneis tps:
walls which ave extwemely
Gv: Spores hane tove
wesistant and Susvive fow many years and
dispexsed buaix, pete:
_NEEFFLYS by SHEENU
A\\ Pzotoz00n
psedatozs oe parasites:
> pane & rmajox 4xoups-
4 cakch Puey using Psevdopodia-
Entamoeba axe Pasasites:
m an agqsegates
qrows on decaying twigs
¢ awe hetesotzobhs and live as
o Amoeboi
Greg. Amoeba:
Have one os moxe Flag ella-
wee ellated 7
iy he ceases like Sleeping sicknes
Cm oma:
Ast ©. anos
av d into guilet
cae ated > Have cilia to move foo
Lah na
eg Pasamoedurn:< Hetesotso phic owganisms-
Non- chlowpohyllous hyphae-
2-
3
_ ae. of hyphae called m celivm-
ia ae which have multnucleated Cyto lasm
axe called Coenocytic hyphae: avr
= cel\ wall of chitin and Pol cacchasides:
6: Cosmopolitan (nvow in waxsm and hum
4- Saprophytic » Pavasitic » symbiotic (Lichen and
Mycozzhiza) (wheat sust disease),
Penicillium , Yeast (unicellular fungus)
a
uw
4 places:
e-g-- Puccinia
a: Repsod uction can take place ba Negetative means
szaqmentation » Rission and bu ding: Asexual
sepsodu ction by Spowes — conidia: Spowangiospoxes
os Zoos! owes’
sexvol Re oducton by Oospores » ASCoSpowes
and basidiospozes produced in Raviting bodies - ‘
g- sexual cyde ins olve Hhee Steps-
uy Plasmogamy (Fusion of Pxotoplasms)
(Eusion of two Nuclel)
«). kaxyogam
. ene a zy gore zesuiting in hablo!do- Dikasyophase is a condition of h :
1 avin
in an intexvening dikawyotic re tn oe e
ere nuclei pew cell) between plasmogamy ane
ax yogamy in fungi like Ascomycetes and
Basidomycetes:
le 7
| cl i
{ asses of Fungi
A Phycomycetes
Ci: Gisow on decaying wood 0
on Plants:
did Myceliom Aseprat
Lili: Spowes paodvced endogencvsly in Spo®
ivy Asexvah sepsoduction by Zoos poses ov
Aplanos poses:
Ww) Ly gosposes ase Rowmed by the fusion of
eat Ibugo. Mucos:
NeeTELYS by SHEENU
a\so known 4S Sac Fungi:
i: Ase sapsophytic » decomposess >
co sofpnilous (growing on dung)
in: Myceliom branched and septate:
Liv) Asexval Secs ase called conidia Produced
exogenovsly on the Conidiophoaes -
x as obligate Pasasites
e and coenocyhc:
angium
ay
powasitic ovaspesgillus » NEL
E é
Saccharomyces (uni
NE Pry: » TouPfles- :
ae EET EL by SHEENU
a Mycelivm septate and Branched:
- Creneally asexual spowes ave nor found:
auction b Fvagmentation:
ui): Negerative sepro
vy Sexyvol seprod¥
ow Somatic cells +o
in pasidiocasp:
(wp: Basidivm produces four basidiospowes
exogenovsly afres Meiosis
Gxanb- Agasicus ,ustilago» Puccinia
4- pevtesomycetes
ect fungi because
(commonly known as am pes
+h asexval ov Vegetative prases
on! e
q se fungi ase Known
chion by fusion of Vegetative
foun basidivm puoduced
ge OVE sexual
a ymoved wccon
Example 2 AlHello bacho. @
Chalo ab thosa Sa
me Padh lo:
My name is \VIRUS
: : wae
zis They did not find a Place in
Biological classification-
2- Not touly living -
3- None cellular O*ganisms which take over the
machines of 0: n ng n ecome
Via st cell on & i i b
: host texi it and
iving bur as Such the have inest cuysta line
Mexe baaze
ee attic appear Non-living:
oO diRRicolt, {S Ca\\ them living 0% Non-living:
m, eNizus
Poi sonovsS Fluid:
ns Neng} me
4 ovr the cesrain
6: Nises mea
pisease
weky UdIDgor”
4. peg. ruanowsky UE
ad tobacco Mo sate
ymicsobes cause
in tobacco plant:
aiéapeiid oS
as eytvacts
a Mw: Beijesinee (IBA) ei
« conta giu™ Ninum Elviavm”
of infected plants of xolacc® Kodi couse
inkection in Healthy planks:
3: w™M stanely (1935. Siowedetreeee Nan
Caystaivized +o fowm cuystak ok proteins
¢ outside their spedgic Host
which ase ines
we obligate Pazasites-
40- Nivuses aved in helicol OF Poly
aaa eithes DNA ov RNA
Rmateriad vonich may be single os
Stzanded:
2 Usvally plant visuses have single stranded RNA» :
bactesiophages have double stsanded DNA and
animal visuses have single o¥ dovble Stwanded
RNA ow double stwanded ONA-
Diseases Cavsed in Homans-
Mumps » Small Pox » Hespes > Influenza and ALDS etc:
In plants» symptoms can be Mosaic formation,
Leak Rolling and Cuxling » Yellowing and Nein
leazing , dwastling and stunted Qzowth-
FLYS by SHEENU
by TO Dienes in \441- ;
- Infectious agent | Sxee RNA (Lack Paotein
+ RNA has Jow moleculas weight: ;
“Causes Potato spindle tubew di
4° Discov eedand its analogous Naviant Cx- Jacob.
disease (CJp) in humans -
Lichens—-
*Lichens awe symbiokc agsodation algal
Component (Phy cobion*) and Fung ob
component (mM cobiont) - Algae Provides
Food: Fungi Provides shelkes and absosb
nutrients and water for alga.
\ution Indicatoss as ‘ney ao not
a Poll
aoe ‘ Pol\lured Aweas-
grow in
NEET FLYS by SHEENU
Do not give vp
the Beginning ‘
the Haw dest
s always