Science — English

What is the genetic basis of sickle cell anemia?
The genetic basis of sickle cell anemia lies in a mutation of the HBB gene on chromosome 11, which encodes...
Added: 03 May 2000
Updated: 14 Nov 2025
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What is the primary impact of overgrazing on ecosystems?
The primary impact of overgrazing on ecosystems is the degradation of vegetation, leading to soil erosion, reduced fertility, and loss...
Added: 03 May 2000
Updated: 29 Nov 2025
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What is the role of ecological succession in habitat recovery?
The role of ecological succession in habitat recovery involves the gradual process of change in an ecosystem over time. After...
Added: 03 May 2000
Updated: 12 Nov 2025
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What is the significance of biocontrol in agriculture?
Biocontrol in agriculture is significant as it utilizes natural enemies like predators, parasites, or pathogens to manage pest populations. This...
Added: 03 May 2000
Updated: 18 Nov 2025
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What is the role of symbiosis in ecological interactions?
The role of symbiosis in ecological interactions involves mutually beneficial relationships between species, enhancing their survival and success. This can...
Added: 02 May 2000
Updated: 19 Nov 2025
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What is the primary element that allows life and its processes to exist on Earth?
The primary element that allows life and its processes to exist on Earth is carbon. Carbon is the backbone of...
Added: 02 May 2000
Updated: 02 Nov 2025
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What is the role of primary consumers in an ecosystem?
The role of primary consumers in an ecosystem is to act as herbivores that feed directly on producers, such as...
Added: 02 May 2000
Updated: 27 Nov 2025
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What is the term for organisms that consume organic material?
The term for organisms that consume organic material is decomposers. These organisms, which include bacteria, fungi, and some insects, play...
Added: 02 May 2000
Updated: 10 Nov 2025
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What is the primary physical characteristic of a terrestrial ecosystem?
The primary physical characteristic of a terrestrial ecosystem is its land-based environment, which includes parameters such as climate, soil type,...
Added: 02 May 2000
Updated: 30 Nov 2025
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What is the significance of habitat fragmentation?
The significance of habitat fragmentation lies in its impact on biodiversity and ecosystem function. Fragmentation divides habitats into smaller, isolated...
Added: 02 May 2000
Updated: 30 Nov 2025
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What is the primary role of mycorrhizae in plant health?
The primary role of mycorrhizae in plant health is to form symbiotic relationships with plant roots. These fungi enhance nutrient...
Added: 02 May 2000
Updated: 15 Nov 2025
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What is the term for a unit of heredity on a chromosome?
The term for a unit of heredity on a chromosome is a gene. Genes are segments of DNA that contain...
Added: 02 May 2000
Updated: 29 Nov 2025
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What is the primary cause of soil erosion?
The primary cause of soil erosion is often linked to deforestation, agricultural practices, and urbanization. When vegetation is removed, the...
Added: 02 May 2000
Updated: 15 Nov 2025
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What is the primary factor that contributes to the success of invasive species?
The primary factor that contributes to the success of invasive species is their ability to thrive in a variety of...
Added: 02 May 2000
Updated: 13 Nov 2025
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What is the driving force behind oceanic thermohaline circulation?
The driving force behind oceanic thermohaline circulation is the differences in water density, caused by variations in temperature and salinity....
Added: 02 May 2000
Updated: 05 Nov 2025
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What is the process by which species coexist and compete for resources?
The process by which species coexist and compete for resources is known as interference competition and exploitative competition. In ecosystems,...
Added: 02 May 2000
Updated: 19 Nov 2025
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What is the significance of studying extinction events in Earth's history?
The significance of studying extinction events in Earth's history lies in understanding the factors that lead to mass extinctions and...
Added: 02 May 2000
Updated: 11 Nov 2025
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What is a major consequence of habitat destruction?
A major consequence of habitat destruction is the loss of biodiversity. As habitats are altered or eliminated due to human...
Added: 02 May 2000
Updated: 19 Nov 2025
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What is the significance of ecological indicators in monitoring ecosystem health?
The significance of ecological indicators in monitoring ecosystem health lies in their ability to provide insights into the condition and...
Added: 02 May 2000
Updated: 03 Nov 2025
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What is the primary function of the blood-brain barrier?
The primary function of the blood-brain barrier is to protect the central nervous system by restricting the movement of substances...
Added: 02 May 2000
Updated: 13 Nov 2025
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