The biome that has trees that produce seeds in cones is the Taiga, also known as the Boreal Forest.

Here's why:

* Coniferous Trees: The Taiga is dominated by coniferous trees, like pine, spruce, and fir. These trees are known for their cone-shaped structures that hold their seeds.

* Adaptation to Cold Climates: Cones are a key adaptation for survival in cold climates. They protect the seeds from harsh weather and allow for seed dispersal over longer periods.

Let me know if you have any more questions!