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Why might the community of insects on a decomposing animal be considered a transient climax?
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- How might whale-fall communities assist the spread of vent organisms?Explain the importance of different functional guilds of detrital macroinvertebrates (microbial grazers, detritus feeders and predators) in tropical rainforests.Briefly describe the environmental conditions prevalent in deepsea and discuss two ways in which extreme piezophilescombat the deleterious effects of their habitat at the cellularlevel.
- Damage by marine boring organisms in the United States and surrounding oceans is principally caused by shipworms, pholads, Limnoria, and Sphaeroma. These organisms are almost totally confined to salt or brackish waters.Do zooplankton have a compensation depth? If so, would it be above, below, or at the same level as the compensation depth of most phytoplankters?Organisms interact with each other and the physical environment. Explain how the response of diatom population to a drop in nutrient availability can affect both other organisms and aspects of the physical environment (such as carbon dioxide concentration).
- In January 2010, a population of organisms had a size of 564. By the end of the year 109 of those individuals had died, but 384 were born. what is the net reproduction per capita for this population?The amoeba Pelomyxa palustris is a single-celled eukaryote with nomitochondria, but it contains symbiotic bacteria that can live in thepresence of oxygen. How does this observation support theendosymbiont theory?A re-created ecosystem in a laboratory environment is known as a ________. a. mesocosm b. simulation c. microcosm d. reproduction
