Chapter 33. Investigating Porifera and Cnidaria

Equipment and Materials

You’ll need the following items to complete this lab session. (The standard kit for this book, available from www.thehomescientist.com, includes the items listed in the first group.)

Materials from Kit

  • Magnifier

  • Pipettes

  • Slide, deep cavity

  • Teasing needles

Materials You Provide

  • Culture: Daphnia or brine shrimp (optional)

  • Culture: Hydra (optional)

  • Microscope

  • Microscope, stereo (optional)

  • Slides, prepared, Hydra (budding, sections)

  • Slide(s), prepared, sponge sections

  • Specimen: Grantia (preserved)

  • Vinegar, distilled white

Background

In this lab session, we’ll investigate Porifera (poor-ih-FUR-uh) and Cnidaria (nye-DAIR-ee-uh). Members of these two phyla are simple invertebrate animals.

Porifera ...

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