Curated OER
Yuckiest Site on the Internet
Students investigate the worm and the cockroach. In this organisms lesson, students visit suggested websites to identify the characteristics of worms and cockroaches. Students dissect a worm and observe a live cockroach. Students report...
Curated OER
Earthworm Dissection
Students identify the external features of the earthworm. They view a video about different features of an earthworm. They research information about annelids on the Internet. They compare and contrast the earthworm with another annelid.
Curated OER
Experiment on Minimal Segment Size Regeneration of Lumbriculus variegatus
The experiment allows students to observe regeneration of tailless and headless worm segments into complete individuals. Data of a completed experiment are included as well as a student activity sheet.
Curated OER
Biological Concepts
Students perform a transection of a redworm. They discuss spinal cord injuries in humans. Students compare the ability of the redworm to regenerate the ventral nerve cord with the inability of humans to repair damage to the dorsal nerve...