Takes care of (5)
'takes care of' is the definition.
(tending is a kind of taking care of)
This is all the clue.
(Other definitions for tends that I've seen before include "Inclines or looks after" , "Dresses" , "Inclines to take care of?" , "Is inclined" , "Leans" .)
'takes care of' is the definition.
('see to' can be a synonym of 'take care of')
This is the entire clue.