You are presented with the question "The most ancient what are trees with woody trunks?" and the following answer choices: 
- it needs them
 - leafy greens
 - more abundant
 - Leeuwenhoek
 - flowering buds
 - pollen
 - graptolites
 - seed plants

Now knowing that most modern gymnosperms are trees with woody trunks and gymnosperms are the most ancient seed plants, choose the best answer.


 

        seed plants 