This set includes 80 printable, editable, and digital ecology bell ringers and warm-ups designed to help your high school biology students build a strong foundation in ecosystems, populations, community interactions, energy flow, biomes, and human impact on the environment. From food chains and food webs to symbiosis, carrying capacity, and ecological succession, these daily warm-ups make it easy to reinforce key concepts without adding to your prep time. Whether you’re introducing a new topic