Food-Web Disruptions and Population Data

Teaching focus

Food-Web Disruptions and Population Data

Use the fictional food web and counts. Arrows point from food to consumer. Evaluate explanations without claiming certainty.

Using this activity

Read the supplied material together before independent work. Use the response spaces to show reasoning. For drawing or extended writing, continue on the back if needed.

Reviewing responses

The teacher key includes correct responses or example answers and criteria. Accept other answers when they are supported by the supplied evidence. Observation and personal-response tasks should be checked against the learner's actual work.

Curriculum reference

Candidate: NGSS MS: ecosystem relationships. This is a candidate domain, not a certified standards mapping.

Versions

This activity has a fixed sequence to keep its context and steps together.