Lab Practical Study Guide
Lab Topic 20- Porifera, Cnideria, Platyhelminthes, and Nematoda PORIFERA - Basic body types o Asconoid o Syconoid o Leuconoid CNIDERIA - Polyps vs. medusa - Class Hydrozoa o First phylum studied capable of extracellular dig
7 May 2008
The major problem that concerns Ishmael is the idea that mankind is eliminating all of the Earth's resources, using them up faster than they can be reproduced. Ishmael says, "We've poured our poisons into the world as though it were a bot
Biology Exam 3 Study Guide
Chapter 33 I. Cniderians are grouped into four classes 1. 2. 3. 4. Hydrozoa (hydroids) Scyphozoa (jellyfish) Cubozoa (sea wasps and box jellyfish) Anthozoa (anemones and sea coral)
Class Hydrozoa: the hydroids 1. 2. 3. 4.