Strict Standards: Declaration of Omeka_Acl::addRole() should be compatible with Zend_Acl::addRole($role, $parents = NULL) in /home/trevorowens/websites/ on line 18

Strict Standards: Declaration of Orderable::afterSaveForm() should be compatible with Omeka_Record_Mixin::afterSaveForm(&$post) in /home/trevorowens/websites/ on line 131

Strict Standards: Declaration of Tag::fieldIsUnique() should be compatible with Omeka_Record::fieldIsUnique($field, $value = NULL) in /home/trevorowens/websites/ on line 165
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Strict Standards: Declaration of Omeka_View_Helper_Url::url() should be compatible with Zend_View_Helper_Url::url(array $urlOptions = Array, $name = NULL, $reset = false, $encode = true) in /home/trevorowens/websites/ on line 11


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A food web is a model that shows a complex network of food chains in an ecosystem. In this activity, you can click on an organism in the arctic food web to see its relationship to other organisms and abiotic factors. Watch National Geographic footage…

EcoDefenders is an interactive game that explores the science of invasive species. Use your knowledge of ecosystems, adaptations, and competition to design a simulation of an invasive species. When invading species occupy the same ecological niche as…