Eye Scot about to claim first in pentathlon — these races adapted? (8)

'these races adapted?' is the definition.
(species adapted to specific habitats)

'eye scot about to claim first in pentathlon' is the wordplay.
'about' is an anagram indicator.
'to claim' indicates putting letters inside (inserted letters are claimed or taken in).
'first in pentathlon' becomes 'p' (1st letter of 'pentathlon').
'eye'+'scot'='eyescot'
'eyescot' is an anagram of 'ecotyes'.
'ecotyes' enclosing 'p' is 'ECOTYPES'.