A pine tree that's my guess.
The only coniferous and deciduous tree is the larch tree (Larix genus). It is unique because it is a conifer that sheds its needles in the fall like a deciduous tree.
if you mean larch its classed as a deciduous conifer it sheds its needles in the autumn.the Japanese larch is grown in the UK for timber. Answer What was the problem with the question?
The coniferous tree with needles that turn yellow in the fall is the larch tree.
Photoperiodism
Larch
Larch and Metasequoia are both coniferous and deciduous (proof that the opposite of 'deciduous' is 'evergreen', not 'coniferous').
Trees that shed their leaves are called deciduous.
Pine tree
Pine tree
They do but only after they have served their purpose and not all at once.
a coniferous tree is a tree in which produces cones. the seed is sometimes called a gymnosperm.
A tree that sheds its leaves at a particular time of year is called a deciduous tree. Deciduous trees shed their leaves in response to changing seasons, typically in the fall before winter. This shedding of leaves is known as leaf abscission.