What commonality do all flowering plants share with all nonflowering plants?

Options:
The production of pollen
The production of spores
The necessary structures of asexual reproduction
The necessary structures for sexual reproduction

The production of spores

The commonality that all flowering plants share with all nonflowering plants is the production of spores.

The commonality that all flowering plants share with all nonflowering plants is the production of spores. Spores are a form of reproductive cells or structures that are produced by both types of plants as a means of reproduction.

To get this answer, you can use your knowledge of plant biology or conduct a search using reliable sources such as textbooks, scientific articles, or reputable online resources. By searching for information on the reproductive methods of flowering and nonflowering plants, you will find that both types produce spores as a key similarity.