<p> Oceanography 201 Exam 3 Study Guide</p><p> Know the classification system from the largest group to smallest (Kingdom… Species)  Know the 5 and 6 kingdom system of classification  Know the difference between a prokaryote and eukaryote  Know representatives from each kingdom  Know the animals found in phylums porifera, cnideria, ctenophora, platyhelminthes, mollusca, echinodermata, arthropoda, and chordata  Describe the four classes found in the phylum cnideria and provide an example of each  Describe the general life cycle found in the phylum cnideria (polyp and medusa stage) and know the dominant stage in each class  Know the function of a nematocyst and how it is activated  Discuss the difference between heterotrophic and autotrophic nutrition  Discuss the differences between hermatypic and ahermatypic corals  Discuss the symbiotic relationship of zooxanthellae and its coral host  Describe methods for sexual and asexual reproduction in coral  Describe optimum environmental factors for coral growth  Know the effect wave action and sea level play in coral accretion  Know the differences between a food chain and food web  Describe the various trophic levels found in a marine food chain  Discuss why so much energy is lost as it is transferred up to a higher trophic level  Understand the food web in the north Pacific  Explain why competition between similar species can reduce energy transfer to a higher level  Identify different feeding types exhibited in a marine environment  Describe the microbial loop and the role bacteria play  Describe types of organisms that are primary producers  Understand the calculations for Net Primary Productivity  Explain what the compensation depth is  Describe factors that affect primary production  Discuss the differences of primary production in temperate, tropic and arctic climate  Define holoplankton, meroplankton, zooplankton, phytoplankton, and pleuston and neuston  Describe three types of diurnal vertical migration and its advantages  Discuss the causes of patchiness of plankton  Describe different feeding strategies of planktivores</p>