This could be important in my classroom due to the fact that I will be working with individuals with special needs and I can see this as a useful visual tool. The students are not required to use any sort of new or challenging technology and the visual results can aid them. One of the ways I would utilize answer garden among my students would be for a KLW.
Inquiry-based learning in simple terms is providing learners with the opportunity to learn the way that they want. As the educator you must let them use the tools that they learn best with. Do do this, inquiry-based learning can be utilized. Provide students with a task and ask them the question after they have had an opportunity to figure it out on their own, then ask them a question. All of this is explained simply in the link to the podcast above.