Answer
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Hint: The population growth curve is a graphical representation of how a particular quantity increases over time. Growth curves are used in statistics to determine the type of growth pattern of the quantity; be it linear or exponential.
Complete step by step answer: The population growth curve of houseflies is a ‘J-shaped curve’. In the rainy season, the production rate of crops is high, as a result of which the population of houseflies shows a drastic increase because of the abundance of the food available. Later, when the rainy season comes to an end, the production of crops decreases, which leads to a sudden decrease in the population of houseflies giving a graph that looks like the alphabet “J”. The J-shaped curve does not have the carrying capacity as it is present in the S-shaped curve. There are two types of a population growth pattern that may occur depending on specific environment conditions:
i. An ‘Exponential’ growth pattern (J-curve) occurs in an ideal, unlimited environment.
ii. ‘Logistic’ growth pattern (S-curve) occurs when environmental pressures slow the rate of growth.
Hence, the correct answer is option C.
Note: The J-shaped represents a trend that starts with a sharp drop and is followed by a dramatic rise. A typical insect for example, ‘housefly’ lives 6 weeks, and can produce 120 female offspring every 2 weeks. There are also male offspring, but since they don’t reproduce directly; it’s easier just to count the females.
Complete step by step answer: The population growth curve of houseflies is a ‘J-shaped curve’. In the rainy season, the production rate of crops is high, as a result of which the population of houseflies shows a drastic increase because of the abundance of the food available. Later, when the rainy season comes to an end, the production of crops decreases, which leads to a sudden decrease in the population of houseflies giving a graph that looks like the alphabet “J”. The J-shaped curve does not have the carrying capacity as it is present in the S-shaped curve. There are two types of a population growth pattern that may occur depending on specific environment conditions:
i. An ‘Exponential’ growth pattern (J-curve) occurs in an ideal, unlimited environment.
ii. ‘Logistic’ growth pattern (S-curve) occurs when environmental pressures slow the rate of growth.
Hence, the correct answer is option C.
Note: The J-shaped represents a trend that starts with a sharp drop and is followed by a dramatic rise. A typical insect for example, ‘housefly’ lives 6 weeks, and can produce 120 female offspring every 2 weeks. There are also male offspring, but since they don’t reproduce directly; it’s easier just to count the females.
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