Science — English

What is the role of the cerebrum in the human brain?
The cerebrum plays a critical role in the human brain, responsible for higher brain functions such as thought, memory, and...
Added: 28 Feb 2000
Updated: 15 Nov 2025
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What is the significance of the Hardy-Weinberg equilibrium in population genetics?
The significance of the Hardy-Weinberg equilibrium in population genetics is that it provides a mathematical framework to understand genetic variation...
Added: 28 Feb 2000
Updated: 18 Nov 2025
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What is the method of analyzing ecological interactions over time?
The method of analyzing ecological interactions over time is known as longitudinal studies. This approach involves collecting data on specific...
Added: 28 Feb 2000
Updated: 05 Nov 2025
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What do you call the region of the brain responsible for higher cognitive functions?
The region of the brain responsible for higher cognitive functions is known as the cerebral cortex. This part of the...
Added: 28 Feb 2000
Updated: 06 Nov 2025
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What is the main purpose of cellular respiration?
The main purpose of cellular respiration is to convert biochemical energy from nutrients into ATP, the energy currency of the...
Added: 27 Feb 2000
Updated: 18 Nov 2025
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What is the term for the transition from a liquid to a solid state?
The term for the transition from a liquid to a solid state is freezing or solidification. This process occurs when...
Added: 27 Feb 2000
Updated: 04 Nov 2025
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What factor determines the distribution of biomes on Earth?
The factor that determines the distribution of biomes on Earth is primarily climate, including factors such as temperature and precipitation...
Added: 27 Feb 2000
Updated: 12 Nov 2025
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What is the term for the energy transfer that occurs between trophic levels?
The term for the energy transfer that occurs between trophic levels is known as nutritional energy transfer or energy flow....
Added: 27 Feb 2000
Updated: 04 Nov 2025
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What does the term "trophic level" refer to in an ecosystem?
The term "trophic level" refers to the hierarchical positions organisms occupy in a food web or chain, based on their...
Added: 27 Feb 2000
Updated: 14 Nov 2025
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What is the mechanism by which vaccines provide immunity?
The mechanism by which vaccines provide immunity is through the introduction of an antigen into the body, prompting an immune...
Added: 27 Feb 2000
Updated: 25 Nov 2025
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What is the goal of molecular biology in medical research?
The goal of molecular biology in medical research is to understand the molecular mechanisms underlying health and disease. By studying...
Added: 27 Feb 2000
Updated: 09 Nov 2025
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What is the effect of toxins on biological systems?
The effect of toxins on biological systems can be profoundly detrimental, disrupting normal cellular functions and physiological processes. Toxins can...
Added: 27 Feb 2000
Updated: 08 Nov 2025
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What way can the half-life of a radioactive isotope be used?
The half-life of a radioactive isotope can be used to determine the age of materials through a process called radiometric...
Added: 27 Feb 2000
Updated: 14 Nov 2025
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What type of habitat is characterized by permafrost layer?
A habitat characterized by a permafrost layer is known as a tundra. This biome is defined by its cold climate,...
Added: 27 Feb 2000
Updated: 28 Nov 2025
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What structure in animal cells is responsible for producing ATP?
The structure in animal cells responsible for producing ATP is the mitochondrion. Often referred to as the "powerhouse of the...
Added: 27 Feb 2000
Updated: 27 Nov 2025
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What do scientists call the transfer of energy in ecosystems?
Scientists refer to the transfer of energy in ecosystems as the energy flow. This concept illustrates how energy moves through...
Added: 27 Feb 2000
Updated: 23 Nov 2025
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What is the main method of communication in the nervous system?
The main method of communication in the nervous system is through neurotransmitters. Neurons transmit signals via electrical impulses, which trigger...
Added: 27 Feb 2000
Updated: 23 Nov 2025
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What is the significance of secondary succession in ecosystems?
The significance of secondary succession in ecosystems lies in its role in restoring biodiversity and promoting ecological balance after disturbances,...
Added: 27 Feb 2000
Updated: 28 Nov 2025
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What is the limit to which living organisms can thrive without moisture?
The limit to which living organisms can thrive without moisture varies significantly between species. Most life forms, particularly plants and...
Added: 27 Feb 2000
Updated: 27 Nov 2025
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What is the primary role of the colon in digestion?
The primary role of the colon in digestion is to absorb water and electrolytes from indigestible food matter, turning it...
Added: 27 Feb 2000
Updated: 22 Nov 2025
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