Food-web Dynamics in a Marine Ecosystem

Graduate Partners in Science EducationARIZONA STATE UNIVERSITY

Lesson created by Yaiyr Astudillo-Scalia

http://www.youtube.com/watch?v=fH67Dr3L_NM

The Circle of Life

A Food-web Example

http://www.regjeringen.no/pages/2243615/HFIG/fig3-2.jpg

Complex vs. Simple Food Webs

http://www.oceanclassrooms.com/resources/images/moodlecourses/ms101/unit7/Energy%20Flow.jpg

Simulation Item Represents Can consume

Green clips Plankton --

Blue clips Herring Plankton

Red clips Salmon Herring, plankton

Small magnets Seals Herring, salmon

Medium magnets Orcas Salmon, seals

Large magnets Fisheries (Humans) Herring, salmon

Alaska: a simplified marine food web

Show the next slide only after the activity has been completed

Alaska: a simplified marine food web

All images from Google Images

Fisheries (Humans)

Orcas

Seals

Salmon

Herring

Plankton (not drawn to scale)