BIOLOGY HIGH SCHOOL

Potatoes were the main crop in Ireland in the 1800s. Almost the entire population of Ireland was dependenton a single variety of potato, the “lumper.” These potatoes were reproduced by a method of asexual
reproduction known as vegetative propagation. In the middle of the 1800s, a disease caused by a fungus
killed almost the entire lumper crop within two years. As a result, millions of people in Ireland died of starvation.
The most likely reason the potato disease was able to destroy the potato crop in such a short time is that the
(1) potato population lacked variations
(2) lumper variety had a long reproductive cycle
(3) lumper had several variations caused by vegetative propagation
(4) potato population in Ireland utilized all of the finite resources

Answers

Answer 1
Answer: 1 is correct. Since the potatoe population lacked variations, it was more susceptible to diseases.
Answer 2
Answer:

Final answer:

The potato crop was likely destroyed quickly due to a lack of genetic diversity in the lumper potato population. All potatoes were virtually identical, thus none had resistance to the disease, leading to the rapid spread and devastation.

Explanation:

The reason the potato disease was able to destroy the potato crop in such a short time is likely option 1: the potato population lacked variations. In biology, this situation describes a lack of genetic diversity, meaning all individuals in the potato population were genetically identical or nearly so. Consequently, when the fungus that caused the potato blight appeared, it affected all lumpers in the same manner. If there had been more genetic diversity in the potato population, some individuals might have had natural resistance to the fungus and could have survived, allowing the population to recover more quickly.

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Answers

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Answers

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Answers

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Unlike amphibians, reptilesa. have lungs to oxygenate blood.B. use single-loop circulatory system.C. have a closed circulation system in which blood circulates entirely within blood vessels.D. have ventricles that are further divided to lessen mixing of oxygen-rich and oxygen-poor blood.

Answers

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Answers

Their storm surges cause widespread flooding.

Final answer:

Hurricanes are powerful tropical storms that form over warm ocean waters and can cause massive destruction. They are categorized by their wind speeds and are monitored by meteorologists using various technological tools.

Explanation:

Hurricanes are powerful tropical storms that are known for their high speed winds and heavy rainfall. They form over warm ocean waters near the equator. When the warm, moist air over the ocean rises, it creates an area of low pressure beneath. This causes the cooler air to rush in towards the low pressure area, forming a swirling pattern of winds. This process keeps going and as the system moves across the ocean, it picks up more heat and energy from the warm waters, ultimately forming a hurricane.

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