Describe how each of the limiting factors in the simulation affected population growth and carrying capacity(migration, predation, food, disease, and pollution).

Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
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Author:Cecie Starr, Christine Evers, Lisa Starr
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Chapter16: Population Ecology
Section: Chapter Questions
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Describe how each of the limiting factors in the simulation affected population growth and carrying capacity(migration, predation, food, disease, and pollution). Include a reason why you think the limiting factor affected the population growth in this way.
Trial
Limiting factor
How did the limiting factor affect the
population growth?
With low migration rate, the number of
fishes in locality decreases and finding a
mate would be difficult so breeding will take
1
Migration (low)
Migration (high)
High migration results in a drastic decrease
in the number of fishes in the locality. As a
result, other fishes enter the fish population.
3
Predators (many)
The population growth curve dropped
down and stayed at zero population for a
long time between 11 years. There may be
Predators (none)
Tuna populations increased exponentially.
The growth curve of these populations
becomes steeper as time passes.
Food (little)
During the past years, due to little food, the
growth of the tuna fish population
decreased. A dotted line on the population
Food (abundant)
Tuna growth followed a normal growth
curve until it reached year 14. In fourteen
years, the population stats declined, and by
Disease/Pollution
Population growth can be slowed or
stopped by diseases and pollution. Pollution
and disease are present during trial 5.
41
6,
Transcribed Image Text:Trial Limiting factor How did the limiting factor affect the population growth? With low migration rate, the number of fishes in locality decreases and finding a mate would be difficult so breeding will take 1 Migration (low) Migration (high) High migration results in a drastic decrease in the number of fishes in the locality. As a result, other fishes enter the fish population. 3 Predators (many) The population growth curve dropped down and stayed at zero population for a long time between 11 years. There may be Predators (none) Tuna populations increased exponentially. The growth curve of these populations becomes steeper as time passes. Food (little) During the past years, due to little food, the growth of the tuna fish population decreased. A dotted line on the population Food (abundant) Tuna growth followed a normal growth curve until it reached year 14. In fourteen years, the population stats declined, and by Disease/Pollution Population growth can be slowed or stopped by diseases and pollution. Pollution and disease are present during trial 5. 41 6,
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