Coral Bleaching Why heat-stressed corals expel their symbiotic algae and turn white, what triggers mass bleaching events, and what recovery does and does not look like.
Food Webs and Trophic Levels How energy and matter flow through ecosystems from producers to consumers and decomposers, with roughly 10% transfer between levels.
Ecological Succession The directional change in species composition of a community over time after disturbance or on newly exposed substrate.