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...

WormWatch is a Canadian program that uses volunteers to observe changes in the earthworms in their environments, and submit their observations. Monitoring earthworms provides valuable information about the health of local soils so that...

Clear instructions, with a photo of each step, explaining how to make a 'worm farm' in a large jar.