Lecture notes
Lecture notes Unit 17 - Biodiversity, classification and conservation
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- CIE
Summary notes for unit 17 Biodiversity, classification, and Conservation a level cie biology
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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
◦ -
◦
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