Earthworm Behavior Lab in Biology - Observations and Experiments
Explore the fascinating world of earthworms through a biology lab that involves observing and conducting experiments to understand their behaviors. Learn about earthworm facts, their habitats, feeding habits, and more. Engage in hands-on activities to study how worms respond to different stimuli, such as touch, light, and gravity. The lab emphasizes the importance of treating these creatures with care and respect.
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Presentation Transcript
Earthworm Behavior Lab!! Biology
Knowledge of Earthworms: What do you guys already know about worms????
Video clip Things to think about: What are worms instinctive behaviors? How do worms eat? Where do they reside? Are they predators or prey? http://dsc.discovery.com/videos/planet- earth-caves-glow-worms.html
General Info. Kingdom: Animalia Phylum: Annelida Segmented Bodies Phylum Members: Leech Peacock Worm Pompeii Worm Many others!!
Medicinal leeches Peacock worms feeding Pompeii worm showing coat of proteobacterial epi-symbionts
Lab Activity: You and your lab group will be observing the behaviors of worms under strict circumstances. You MUST treat the worms with care!!
Lab cont. Materials Needed: 1worm Paper towels 1 plate Q-tips Light source Ruler
Different Observations: General Movement: Observe worms response to: Being flipped over Running into object Hit plate into wall Place index card in front of worm Anatomical: Observe: Which side is more active Label parts of worm Length
Observations Continued Response to Touch Observe: Dry or Moist Paper Towel Response to Odor Observe: Response to vinegar Both anterior and posterior 8 total trials 4 total trials DO NOT TOUCH WORM WITH VINEGAR!!!
Observations Continued Response to Light: You will develop YOUR OWN experiment! Response to Gravity: Tilt plate to observe earthworms response. Testing whether worms can sense light or dark DO NOT DROP PLATE!
HAVE FUN BUT BE SMART!
