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Quiz on Porifera and Cnidarian Biology for Aquatic Science

Test your knowledge of aquatic science with this quiz focused on Porifera and Cnidarians. Questions cover the basic biology, reproductive methods, and anatomical features of these fascinating organisms. Identify key aspects such as the meaning of 'Porifera', population stability graphs, and various stages of life cycles. Understand unique characteristics like cells found in Porifera and types of symmetry, and learn to differentiate between sexual and asexual reproduction. Challenge yourself and deepen your understanding of these essential aquatic life forms!

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Quiz on Porifera and Cnidarian Biology for Aquatic Science

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  1. Unit #4 Quiz #3 2012-2013 Grade: «grade» Aquatic Science Subject: «date» Date:

  2. 1 "Porifera" literally means: A Plant with Pores B Pore Bearer C Lumpy Bearer D Living Rock

  3. 2 Which of the following graphs represent a stable population: B A C D

  4. 3 Which of the following parts of a porifera is responsible for drawing water into the atriuim (central cavity): A oscula (osculum) B amoebocyte C choanocyte D spongin

  5. 4 When a cnidarian releases medusa copies off of the top of the organism, this is best demonstrating A Sexual reproduction B Asexual reproduction C Hermaphroditic reproduction D This is a defense mechanism addressing the difficulty of finding a mate

  6. 5 Porifera best demonstrates which of the following types of symmetry: A Radial B Bilateral C Angular D Translational

  7. 6 Which of the following is FALSE when considering global freshwater: A It covers around 1% of the planet’s surface B It contains more biodiverse species than can be found in saltwater C The concentration of dissolved salts within freshwater is less than 1% D Glaciers, rivers, wells, and aquifers are all examples of freshwater

  8. 7 When a porifera is stressed it will form a ________ in an attempt to keep its offspring alive. A spore B gemmule C capsid D cyst

  9. 8 Porifera are mobile... A when they are searching for food B when they are fleeing from predators C when they metamorphose into adult form D when they are larvae

  10. 9 Cnidarians are polymorphic. Their two different stages are called: A Asexual and hermaphroditic B Asexual and sexual C Polyp and medusa D Polyp and asexual

  11. 10 All of the following are cells found within a Porifera EXCEPT: A ostia B spicule C spongin D choanocyte

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