<p> NAME ______</p><p>WORM LAB FOLLOW UP QUESTIONS</p><p>LATIN MEANING</p><p>KINGDOM ______</p><p>PHYLUM ______</p><p>CLASS ______</p><p>1. Which body part do Earthworms have that gives them their PHYLUM name OLIGOCHAETA meaning “few bristles”? ______</p><p>2. How does its coloration (darker on the dorsal surface) help the earthworm? ______</p><p>3. The NEPHRIDIA in earthworms have the same function as ______in humans. </p><p>4. Which form of nitrogen waste is excreted by earthworms? ______</p><p>5. Digestive waste exits through the ______.</p><p>6. Nitrogen waste is collected by TUBULES called ______and exits through pores in ______.</p><p>7. Trace the parts of the digestive tract through which food passes in order starting at the mouth and ending at the anus. mouth à ______à ______à ______à ______à ______à anus</p><p>8. Number of openings in an earthworm’s digestive system? 0 1 2 </p><p>9. Earthworms are HERMAPHRODITES. Explain what that means. ______</p><p>10. Earthworms have no bones. What acts as the skeleton in an earthworm?</p><p>______</p><p>11. Tell 2 ways that the earthworm’s digestive system is adapted for extracting as many nutrients as possible from a large amount of relatively non-nutritious food (soil)?</p><p>1.______</p><p>2. ______12. USE the words DORSAL AND VENTRAL to compare the LOCATION of the HEART and NERVE CORD in vertebrates and invertebrates. How are they different?</p><p>INVERTEBRATES have a ______heart and ______nerve cord.</p><p>VERTEBRATES have a ______heart and a ______nerve cord.</p><p>COMPARE/CONTRAST CROP GIZZARD</p><p>How does it feel?</p><p>Function</p><p>COMPARE/CONTRAST SEMINAL SEMINAL RECEPTACLES VESICLES</p><p>Size</p><p>Stores sperm from?</p><p>C ircle ALL that apply to EARTHWORMS: </p><p>Acoelom Pseudocoelom Eucoelom </p><p>Invertebrate protostomes Invertebrate deuterostomes Vertebrate deuterostomes </p><p> blastopore à mouth blastopore à anus determinate spiral cleavage indeterminate radial cleavage</p><p>External fertilization Internal fertilization</p><p>Indirect Development Direct development </p><p>HERMAPHRODITE SEPARATE MALE and FEMALE SEXES</p><p>Asexual Reproduction Sexual Reproduction</p><p>Open circulation Closed circulation</p><p>No cephalization Cephalization</p><p>VENTRAL nerve cord/DORSAL heart DORSAL nerve cord/VENTRAL heart</p><p>Asymmetry Radial symmetry Bilateral symmetry N ame the EARTHWORM part described below:</p><p>Provides traction when crawling ______</p><p>NON-CELLULAR coating that protects skin and prevents drying out ______</p><p>Fleshy flap of skin that covers and protects the worm’s mouth and can sense light/dark ______</p><p>Carries sperm from male genital pore to clitellum ______</p><p>Openings on ventral surface for seminal vesicles ______</p><p>Divides coelom into compartments ______</p><p>Tubules that collect and excrete nitrogen waste ______</p><p>Makes sperm ______</p><p>Makes eggs ______</p><p>Stores sperm made by this worm to give away ______</p><p>Stores sperm received from other worms ______</p><p>Acts as heart to pump blood ______</p><p>Pulls food into the digestive system ______</p><p>Carries food from pharynx to crop ______</p><p>Stores soil waiting to be digested ______</p><p>Grinds food ______</p><p>Absorbs nutrients from digested food ______</p><p>Infolding INSIDE intestine to provide surface area and increase absorption of nutrients ______</p><p>Acts as the brain ______</p><p>Makes mucous for reproduction ______</p>