Science — English

What is the primary characteristic of eukaryotic cells absent in prokaryotic cells?
The primary characteristic of eukaryotic cells that is absent in prokaryotic cells is the presence of a nucleus. Eukaryotic cells...
Added: 30 Apr 2000
Updated: 25 Nov 2025
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What is the significance of cellular respiration in living organisms?
Cellular respiration is vital for living organisms as it converts nutrients into ATP, the energy currency of cells. This process...
Added: 30 Apr 2000
Updated: 15 Nov 2025
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What is the main purpose of studying viruses?
The main purpose of studying viruses lies in their impact on human health, ecology, and technology. Viruses can cause diseases,...
Added: 30 Apr 2000
Updated: 14 Nov 2025
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What is the relationship between genotype and phenotype?
The relationship between genotype and phenotype is fundamental in genetics. The genotype refers to the genetic makeup of an organism,...
Added: 30 Apr 2000
Updated: 23 Nov 2025
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What is the significance of nitrate in soil health?
The significance of nitrate in soil health is critical, as it serves as a vital nutrient for plant growth. Nitrates...
Added: 30 Apr 2000
Updated: 16 Nov 2025
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What is the primary characteristic of K-selected species?
The primary characteristic of K-selected species is their focus on producing fewer offspring with high parental investment. These species tend...
Added: 30 Apr 2000
Updated: 01 Dec 2025
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What is a common effect of deforestation on the environment?
A common effect of deforestation on the environment is the loss of biodiversity. When forests are cleared, numerous species lose...
Added: 30 Apr 2000
Updated: 28 Nov 2025
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What is the term used for a trait that helps an organism survive and reproduce?
The term used for a trait that helps an organism survive and reproduce is called an adaptation. Adaptations can be...
Added: 30 Apr 2000
Updated: 11 Nov 2025
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What is the term for an organism's physical environment?
The term for an organism's physical environment is known as its habitat. A habitat provides the necessary resources, such as...
Added: 30 Apr 2000
Updated: 19 Nov 2025
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What is the purpose of meiosis in organisms?
The purpose of meiosis in organisms is to produce gametes, which are sex cells involved in sexual reproduction. Meiosis reduces...
Added: 30 Apr 2000
Updated: 30 Nov 2025
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What is the role of carbon dioxide in the greenhouse effect?
The role of carbon dioxide in the greenhouse effect is significant, as it acts as a greenhouse gas that traps...
Added: 30 Apr 2000
Updated: 19 Nov 2025
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What is the relationship between the biosphere and ecosystems?
The relationship between the biosphere and ecosystems is foundational for understanding life on Earth. The biosphere includes all living organisms...
Added: 30 Apr 2000
Updated: 09 Nov 2025
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What field of science studies the interactions between organisms and their environment?
The field of science that studies the interactions between organisms and their environment is called ecology. Ecology examines how living...
Added: 30 Apr 2000
Updated: 21 Nov 2025
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What is the primary purpose of population genetics studies?
The primary purpose of population genetics studies is to understand the genetic composition of populations and how it changes over...
Added: 30 Apr 2000
Updated: 24 Nov 2025
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What is the primary impact of environmental toxins on human development?
The primary impact of environmental toxins on human development can include neurological damage, reproductive issues, and increased vulnerability to diseases....
Added: 30 Apr 2000
Updated: 15 Nov 2025
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What is the range of sound frequencies that humans can hear?
The range of sound frequencies that humans can hear is typically between 20 Hz to 20,000 Hz (20 kHz). This...
Added: 30 Apr 2000
Updated: 06 Nov 2025
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What is the term used to refer to the onset of a new era in evolution?
The term used to refer to the onset of a new era in evolution is radiation. This term typically describes...
Added: 30 Apr 2000
Updated: 19 Nov 2025
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What is the significance of carbon sinks in ecology?
The significance of carbon sinks in ecology lies in their ability to absorb and store carbon dioxide from the atmosphere....
Added: 30 Apr 2000
Updated: 05 Nov 2025
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What is an example of an abiotic factor in an environment?
An example of an abiotic factor in an environment is temperature. Abiotic factors refer to the non-living chemical and physical...
Added: 30 Apr 2000
Updated: 30 Nov 2025
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What is the function of the amygdala in the brain?
The function of the amygdala in the brain is primarily related to the processing of emotions and the formation of...
Added: 30 Apr 2000
Updated: 23 Nov 2025
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