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Death rate & carrying capacity table 3
Reflection Question
1.Using Table 1, which of the three trials produced the highest population for both the whales and the seals? Why do you think this trial had the best outcome for the whale and seal populations? Trial 3 produced the highest carrying capacity for both the whales and seals because population dropped.
2.Using Table 2 and 3, explain how the birth rates of the seals and the death rates of the whales affected the population for both whales and seals. The whales are the predators of seals will rise,especially if their birth rate is faster. so the population of seals will rise,especially if their birth rate is faster.
3.Climate change has slowly decreased habitat for the arctic seals. Predict how a reduction in habitat could change the capture efficiency of the killer whales. How would this affect the carrying capacities for both the whales and the seals? The reduction in habitat will limit the population of seals, in result it will be hard for the whales to find their food to low their capture efficiency. this would affect carrying capacity of the sea animals because seals carrying will decrease.
Part 2
4.If another source of prey were available to the whales, what changes in population size would you expect for the seals and the whales? The whales are not only dependent on seals, when whales increase in population. they don't entirely deplete the seal population they won't entirely deplete the seal population.
5.In this lesson, you learned about two patterns of population growth and decline, the sigmoid and peak phenomena. Does the seal and killer whale relationship represent a sigmoid or peak phenomenon? Please provide supporting details. The seal and killer whale relationship will represent a peak phenomena because it is abundant the whale population booms and then burst when the seals can't catch up and falls behind.
6.What are the limitations of the population dynamics lab? Is the lab activity a realistic representation of an arctic marine ecosystem?
The population dynamics lab was based on nature thought is not realistic as real Nature because it was not controlled environment to a exact population.
Birth Rate & Carrying Capacity
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Materials
The population Dynamics virtual Lab activity.
Population Dynamics Lab Report.
Hypothesis
Data and Observation
Prediction 1:If the population of the prey is higher than the predators, the carrying capacity of the seals will be higher than the carrying capacity of the whales.
Prediction 2: If the population of the predators is higher than the prey, the carrying capacity of the whales will be higher than the carrying capacity of the seals.
Prediction 3: The prey growth rate increases, the carrying capacity of the seals will be higher than the carrying capacity of the whales.
Prediction 4:The death rate of the whales increases, the carrying capacity of the seals will be higher than the carrying capacity of the whales.
Research
Prey Initial Size: The starting number of prey.
Prey Growth Rate: The birth rate of the prey. The larger the growth rate, the faster the prey population will increase.
Predator Initial Size: The starting number of predators.
Predator Death Rate: The death rate of the predators. A larger death rate means predators will die out quicker.
Capture Efficiency: This number represents the ability of the predator to capture the prey over some time interval. A larger value for this parameter means that the predators have a better chance of capturing.
Purpose:
Analyze graphs to determine the carrying capacity of two marine species.
Explain how predation, birth, and death rates impact population size and carrying capacity of marine populations.
Describe how biotic and abiotic factors influence the carrying capacity of marine populations.