9+ hour, 57+ min ago   (277+ words) Engage your students with a real-world, biology-based phenomenon: Florida's "raining iguanas." During sudden cold snaps, iguanas lose muscle control and fall from trees, providing a dramatic example of ectothermy, torpor, and homeostasis. This case study combines observation, data interpretation, and…...

3+ mon, 2+ week ago   (89+ words) This resource provides a four-part exploration of sea otters: Article: What is a Keystone Species? " Article with reading comprehension questions exploring keystone species Trophic Cascades " Uses an interactive activity at HHMI to explore trophic cascades in a variety of ecosystems…...