POLLEN
The pollen is to produce acorns, which produce more oak trees.
Oak is not really a color but can be used to describe the color light brown as it relates to the color of an oak piece of wood.
catkins
Ya all plants are bio degradable
yellow
is the oak tree keep color in winter
because of the pollen i dont know why the pollen is yellow
OATMEAL.
Oak trees drop their acorns in the early fall. Pollen carries through the air in the spring to make acorns.
Bog Oak is a shade of brown (typically dark).
Beech is nearer to oak in hardness and color.