Earthworm Dissection Lab
By Kristophe Zephyrin Mitcham P2
Objectives
Learn The Internal and External Anatomy of an Earthworm
Background info
- Genus/ species Lumbricus terrestris
- Live in the dirt of many environments
- preyed on by many animals such as; rodents, birds, fish, and many more.
- there are many types of earthworms
- Earthworms breathe through their skin
- Earthworms eat dead organic matter.
- Earthworms are decomposers
- Adaptations include a streamlide body and setae
Interesting facts
- When earthworms mate they both have offspring
- Earthworms used to only be found in Europe
- Earthworms eat 10 lbs of dead organic matter a year
- largest Earthworms are 300cm long
- worms are cold blooded
- worms can regenerate segments
Earthworm dissection
Functions of organs in Earthworm
- mouth Takes in food
- intestines- extracts nutrients
- Pharynx takes food to esophagus
- crop stores food
- gizzard grinds food
- esophagus- takes food to crop
Works cited
- https://www.google.com/search?q=cladogram+of+an+earthworm&espv=210&es_sm=122&tbm=isch&imgil=7XjMLHQ_VHEAGM%253A%253Bhttps%253A%252F%252Fencrypted-tbn0.gstatic.com%252Fimages%253Fq%253Dtbn%253AANd9GcRdEBZGmz8dnKRZ23cZE37NirZ-Eml1zof3OA_lfkUzFE4X1kiJnw%253B786%253B468%253B5Y-hiw3ig3bLkM%253Bhttp%25253A%25252F%25252Fwww.cpalms.org%25252FPublic%25252FPreviewResource%25252FPreview%25252F45851&source=iu&usg=__GZJYZF_L2cqoFetFdR4wFSIWH5c%3D&sa=X&ei=pUE_U4iYJ8-vsQTjlIGwDQ&ved=0CDEQ9QEwAw#facrc=_&imgdii=_&imgrc=7XjMLHQ_VHEAGM%253A%3B5Y-hiw3ig3bLkM%3Bhttp%253A%252F%252Fwww.cpalms.org%252FUploads%252Fresources%252F45851%252FAssessment%252FSummativeAssessment%252Fgraphics%252Fanimal%252520cladogram.png%3Bhttp%253A%252F%252Fwww.cpalms.org%252FPublic%252FPreviewResource%252FPreview%252F45851%3B786%3B468
- http://kids.nationalgeographic.com/staticfiles/NGS/Shared/StaticFiles/NGKids/Image/kids-earthworm-map.GIF