https://healthyeating.sfgate.com/sea-kelp-kids-11124.html
https://www.youtube.com/watch?v=GcbU4bfkDA4
https://www.mnn.com/earth-matters/wilderness-resources/stories/things-know-about-beautiful-kelp-forests
https://www.youtube.com/watch?v=GDbHoF6loa8
https://www.sciencenewsforstudents.org/blog/scientists-say/scientists-say-kelp
https://sciencing.com/facts-sea-kelp-4739866.html
https://oceanservice.noaa.gov/facts/kelp.html
https://study.com/academy/lesson/sea-urchin-facts-lesson-for-kids.html
https://www.nps.gov/glba/learn/nature/kelp-forest.htm