Explain the differences in the population growth patterns of the two Paramecium species. What does this tell you about how Paramecium aurelia uses available resources?

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The following data is the results of a trial of paramecium growth over 16 days, the numbers going in order horizontally P. aurelia grown alone, cells/mL, P. caudatum grown alone, cells/mL, P. aurelia grown in mixed culture, cells/ mL, P caudatum grown in mixed culture, cells/mL.

Day O 1 1 1 1

Day 2 4 5 3 5

Day 4 27 15 16 9

Day 6 43 24 31 10

Day 8 54 28 38 7

Day 10 47 28 45 4

Day 12 48 28 46 1

Day 14 49 28 50 0

Day 16 49 28 47 0

The pattern of growth tells us that individual Paramecium aurelia uses a smaller amount of resources for growth compared to P. caudatum, hence the greater number of species after culturing.

Explanation:

When bacteria species are cultured in an appropriate growth medium, they utilize the nutrient in such media for their growth, and the growth becomes exponential until there are not enough resources to sustain a continuous growth of the organism, then the growth pattern starts to show a decline which is seen in the P. caudatum species quickly because the organism use up more resources compared to the Paramecium aurelia species.

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