Environmental Science

Topics: Carrying capacity, Ecology, Population Pages: 2 (532 words) Published: February 20, 2013
Virtual Lab: Population Biology
Hezekiah Tiakheng Uy See 113608 ES12L
|Data Table | |  | |1. What are the objectives for this experiment? (you can summarize) | |To analyze how competition for resources and limited resources affect population growth.   | |2. Make a hypothesis about how you think the two species of Paramecium will grow alone and how they will grow when they are grown together. | | P. aurelia grows faster alone but almost at the same rate when mixed with the caudatum. The P. caudatum grows relatively slower and will eventually die out in | |competition with aurelia. | |3. Explain how you tested your hypothesis. | |I based my hypothesis on the observed growth chart where you can see an exponential (log) increase in the early stages(days 1-6) and a lag at days 8-16. | |Comparing this figure with the same P. aurelia grown in the mixed culture will have relatively the same number of population. For P. caudatum, the growth is at | |a slower rate as compared to the P. aurelia. In the mixed culture, we can see that due to competition, the caudatum will eventually die out of lack of food | |(since it was indicated that both are non-predator species).  ...
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