Choose from:
[1]. after growth;
[2]. photosynthesis;
[3]. faulty growth;
[4]. Conifers;
[5]. Chlorophyll;
[6]. primary growth;
[7]. plant reproduction;
[8]. secondary growth;

Fact 1: Secondary growth forms secondary vascular tissues and bark. Fact 2: Secondary growth produces wood and bark in seed plants . Given the two facts above, what produces secondary vascular tissues in seed plants?
Answer:
[8].