Yes, they are.
Yes. They are found in pine cones which come from pine trees. (see: http://www.answers.com/topic/pine-nut)
No, it doesn't. It has leaves that last through the winter though. The pine cone is the fruit of the pine tree.
pine cones
The pine cones that you are familiar with are probably female pine cones. You probably have never noticed male pine cones because they are much smaller and don't look much like the female pine cones. Male pine cones are much smaller and produce pollen grains. Female pine cones contain the egg. The pollen is carried from the male pine cones to the female pine cones by the wind.
Roots, trunk, branches, twigs , needles and cones.
their seeds are found in cones, they do not produce fruit
A pine cone is the fruit/seed of a pine tree. Pine trees grow in almost every state of the USA. Which country are you asking about?
Pine cones are where the seeds for new pine trees develop.
Pine and other types of cones occur on pine trees and other types of evergreen trees that do not have leaves that are dropped at the end of the growig season. The cones are the fruit of the trees.
If a pine cones touch water it will close.
rats do not eat pine cones