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classification and taxonomy
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Cards (11)
taxonomy -
hierarchical
grouping system for
classifying organsims
hierarchical
- series of groups
subdivided
into
smaller
groups with
no
overlap
taxon:
domain
kingdom
phylum
class
order
family
genus
species
3
domains: 6
kingdoms
:
bacteria
- bacteria
archaea -
archaea
eukaryota -
animal
, fungi,
plant
, protist
modern
classification system -
Carl Woese
updated from
5
kingdom system -
Carl Linnaeus
species
- group of similar organisms that can breed to produce
fertile
offspring
courtship behaviour:
behaviour carried out by
organisms
to attract a
mate
of the correct
species
prevents
interbreeding
and
mixing
courtship behaviour involves simple to
complex rituals
that are
species
specific
members of the
same
species can recognise each other
maximises chances of successful
reproduction
species can be more closely related the more
similar
their
courtship
behaviour is
courtship behaviour examples:
releasing
chemicals
to
attract
mates to their territory
specific
calls
or songs -
specific
to species and must be learned in the first few
months
of life
dancing
/movements - display mates
strength
and
fitness
,
synchronised
movements used to recognise life partners
nest building
- collecting materials for nests or shelters shows potential mate how they can
provide
for and
protect
offspring
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