Science — English

What is the term for the statistical study of populations and their structures?
The term for the statistical study of populations and their structures is demography. It focuses on various aspects such as...
Added: 27 Feb 2000
Updated: 01 Dec 2025
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What is the primary component of the Earth's lithosphere?
The primary component of the Earth's lithosphere is rock, which includes both igneous, sedimentary, and metamorphic types. The lithosphere encompasses...
Added: 27 Feb 2000
Updated: 02 Nov 2025
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What is the principal function of the immune system?
The principal function of the immune system is to protect the body against pathogens such as bacteria, viruses, and parasites....
Added: 27 Feb 2000
Updated: 01 Nov 2025
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What is the term for the variety of life in a particular habitat?
The term for the variety of life in a particular habitat is biodiversity. Biodiversity encompasses the range of species, genetic...
Added: 27 Feb 2000
Updated: 13 Nov 2025
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What is the role of the small intestine in digestion?
The role of the small intestine in digestion is to further break down food and absorb nutrients. After partial digestion...
Added: 27 Feb 2000
Updated: 01 Nov 2025
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What is the importance of the scientific peer-review process?
The scientific peer-review process is important as it ensures the quality and credibility of research before publication. Reviewers, who are...
Added: 27 Feb 2000
Updated: 20 Nov 2025
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What geological process describes the movement of tectonic plates?
The geological process that describes the movement of tectonic plates is known as plate tectonics. This theory explains how the...
Added: 27 Feb 2000
Updated: 01 Dec 2025
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What is the impact of plastic pollution on marine ecosystems?
Plastic pollution has a significant impact on marine ecosystems by threatening marine life and disrupting habitats. Ingested plastic can harm...
Added: 27 Feb 2000
Updated: 14 Nov 2025
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What is the role of plant hormones in growth and development?
Plant hormones play a pivotal role in regulating growth and development. These phytohormones influence various physiological processes, including cell division,...
Added: 27 Feb 2000
Updated: 09 Nov 2025
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What is the primary role of lipids in biological systems?
The primary role of lipids in biological systems includes storing energy, forming cell membranes, and serving as signaling molecules. Lipids,...
Added: 27 Feb 2000
Updated: 25 Nov 2025
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What is the significance of the fossil record in understanding evolution?
The significance of the fossil record in understanding evolution lies in its ability to provide evidence of past life forms...
Added: 27 Feb 2000
Updated: 14 Nov 2025
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What structure is responsible for protecting the genetic material in a cell?
The structure responsible for protecting the genetic material in a cell is the nucleus. The nucleus contains the cell's DNA,...
Added: 27 Feb 2000
Updated: 05 Nov 2025
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What is the study of insects known as?
The study of insects is known as entomology. Entomologists examine various aspects of insect life, including their behavior, ecology, physiology,...
Added: 27 Feb 2000
Updated: 27 Nov 2025
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What process converts solar energy into chemical energy in plants?
The process by which plants convert solar energy into chemical energy is known as photosynthesis. During photosynthesis, plants use sunlight...
Added: 27 Feb 2000
Updated: 17 Nov 2025
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What is the main function of soil microorganisms in ecosystems?
The main function of soil microorganisms in ecosystems is to decompose organic matter, facilitating the **nutrient cycling** process. These microorganisms...
Added: 27 Feb 2000
Updated: 03 Nov 2025
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What chemical compound forms when carbon dioxide reacts with water?
When carbon dioxide reacts with water, it forms the chemical compound carbonic acid (H₂CO₃). This reaction is critical in biological...
Added: 27 Feb 2000
Updated: 30 Nov 2025
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What is the primary difference between open and closed circulatory systems?
The primary difference between open and closed circulatory systems lies in how blood circulates. In an open circulatory system, blood...
Added: 27 Feb 2000
Updated: 10 Nov 2025
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What is the role of neurotransmitters in synaptic transmission?
Neurotransmitters play a crucial role in synaptic transmission by facilitating communication between neurons. When an electrical impulse reaches the end...
Added: 27 Feb 2000
Updated: 23 Nov 2025
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What is the pH range of most human bodily fluids?
The pH range of most human bodily fluids typically falls between 7.35 to 7.45, which is considered slightly alkaline. Blood,...
Added: 27 Feb 2000
Updated: 17 Nov 2025
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What is the main role of a catalyst in a chemical reaction?
A catalyst in a chemical reaction primarily serves to increase the reaction rate without being consumed in the process. It...
Added: 27 Feb 2000
Updated: 26 Nov 2025
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