A 4-page STEM project worksheet for middle school students to model cave ecosystem energy flow. It includes a project rubric, a word bank integrated with a blank food web template (no arrows and no labels except for the energy source), an energy pyramid section with a dedicated word bank and blank tiers (including the energy source level), and a data analysis graph focusing on bat-centipede relationships.

A comprehensive one-page student handout that includes all text from the cave ecosystem case study verbatim. It features the primary article text, the specific Research Activities data for food web construction, and a classification task for ecosystem roles.

A data analysis worksheet for students to interpret the ocean plastics graph, featuring calculation problems and critical thinking questions.

A professional slide featuring an improved bar chart detailing the primary sources of ocean plastic pollution with clearly labeled axes and no data labels above the bars for estimation practice.

A comprehensive answer key for the 'Expedition Field Journal' and 'Relationship Rumble' activity cards.

A visual presentation for instruction and review, covering key concepts of climate, competition, predation, symbiosis, and succession with large text and clear diagrams.

A set of 18 scenario cards for the 'Relationship Rumble' activity, featuring examples of biological interactions and ecological succession.

A structured recording sheet for students to use during the 'Ecosystem Expedition' Write the Room activity, with space for observations and field tasks.