Students investigate the external anatomy of a crayfish. In this arthropod lesson plan, students study the structures of the head, the body and the appendages of a crayfish. They locate specific structures present in arthropods and...

Comparative anatomy prevails in the lesson exploring diversity among invertebrates. Biologists examine physical characteristics of an earthworm from phylum annelida and a meal worm from phylum insecta. They also inspect a cricket and a...

Students dissect organisms and take photographs to create a PowerPoint dissection library. In this anatomy lesson, students dissect organisms that interest them and photograph the process while identifying structures. They create a...

In this arthropod worksheet, students compare and contrast the different animals found in the Phylum Arthropoda: insects, arachnids, and crustaceans. Students complete 8 fill in the blank statements and color illustrations.

In this lab experiment site, you will "Observe the external and internal anatomy of a crayfish, determine the sex of a crayfish using external anatomy, and collect statistical data on crayfish length and cheliped length."

A collection of lesson plans, quizzes, and educational videos developed for online dissections. The site hopes to improve the learning experience for students, and increase the quality of the dissection experience. Organisms included are...