Lecture notes Unit 17 - Biodiversity, classification and conservation

TAXONOMIC RANI
- _




Domain DOMAIN
↓
↓
Kingdom
↓ Bacteria
r


Archaea
r




Eukarya
Phylum prokaryotes prokaryotes Eukaryotic
◦ ◦ ◦




class
✓

organisms
r BACTERIA
order
r
o cells have no nucleus

family small
◦




↓ organisms
DNA with histone
◦
circular no proteins
◦
Plasmids
genus
↓ no membrane bound
organelles
◦ -




-
Species _
070s ribosomes
all walls made
of peptidoglycan
◦
s

cell division
by binary fission
◦




ARCHAEA


◦
cells with no nucleus
circular molecules
of DNA called plasmids
◦




no membrane bound
organelles
◦ -




◦
70s ribosomes
without
◦ cell walls
peptidoglycan
cell division
by binary fission
◦

, EUKARYA


◦
cells with a nucleus
membrane bound
organellesproteins
◦ -




◦
linear DNA with histone
◦
80s ribosomes
and mitochondria
chloroplast
containing circular DNA
◦



cell division
by
mitosis
◦



◦
asexual and sexual reproduction

DOMAIN EUKARYA


<INGDOM r v r r


PROTOCTISTA FUNGI PLANTAE ANIMALIA



Fungi
◦
cannot photo synthesise
◦
heterotrophic
Eukaryotic
◦



◦
reproduce
cello all made
through spores
chitin
of
◦




Poiotoctista

◦

Eukaryotic
◦
protozoa
single celled algae
◦ -
◦