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Summary AQA ALEVEL BIOLOGY NOTES ON SPECIES AND TAXONOMY

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ALEVEL NOTES ON SPECIES AND TAXONOMY ADJUSTED TO THE AQA SPECIFICATION AND MADE FROM MARKSCHEMES

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July 2, 2023
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Species and Taxonomy
Genom.cm#p.F
-




Genomics the of of
refers to
study the in contrast to
genetics which refers to the
study
'




genome
and their roles in inheritance
genes .




"
is of within of
The
genome
the complete set DNA a cell an
organism .




> The full of
proteome is the range proteins that a cell is able to
produce .




What are
species ? A group of that able to reproduce to produce fertile offspring ( similar




organisms are .




characteristics)

Organisms in the (
morphology ) behaviour and
biochemistry
'




same species are similar in
appearance ,
,


&
and have the same ecological niche ( behaviour
lifestyle )
Organisms the species share ancestor



in same a common .




breed their natural fertile
Organisms in the same species can
together in environment to produce
-




offspring .




What ? There between
hierarchy Large group divided smaller
'

is into
subgroups . is no
overlap

groups
.




Phylogeny % / Study of EVOLUTIONARY HISTORY
" " - - - - -
¥
> A phylogenetic classification system attempts to

species into based their
arrange groups on



evolutionary origins and relationships .




Two related if share
species are more
they
.




a more recent common ancestor .




Two related if share
species are less
they
.




a less recent common ancestor .




¥::÷ / CLASSIFICATION

the of
Taxonomy is science classification



.




There levels of Each called

are
eight groups used to
classify organisms .


group
is a taxon .




( plural : taxa )

A group of similar at level is called taxon
organisms





any a .




Domain Phylum class order Family Genus Species
kingdom

Acronym : Dear King Ihi / lip fame ever from Great Spain
-
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