Science — English

What is the process by which bacteria convert nitrogen in the atmosphere into a usable form for plants?
The process by which bacteria convert nitrogen in the atmosphere into a usable form for plants is called nitrogen fixation....
Added: 13 Feb 2000
Updated: 08 Nov 2025
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What is the measure of thermal energy in an object called?
The measure of thermal energy in an object is called temperature. Temperature indicates the average kinetic energy of particles within...
Added: 13 Feb 2000
Updated: 27 Nov 2025
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What is the importance of the food web?
The importance of the food web lies in its role in illustrating the complex feeding relationships within an ecosystem. It...
Added: 13 Feb 2000
Updated: 24 Nov 2025
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What do we call the smallest unit of an element?
The smallest unit of an element is called an atom. Atoms consist of a nucleus containing protons and neutrons, surrounded...
Added: 13 Feb 2000
Updated: 26 Nov 2025
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What is the primary function of the cell cytoplasm?
The primary function of the cell cytoplasm is to provide a medium where cellular processes occur, enabling the movement of...
Added: 13 Feb 2000
Updated: 01 Nov 2025
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What role do keystone species play in maintaining an ecosystem?
Keystone species play a crucial role in maintaining an ecosystem by influencing the structure and diversity of the community. These...
Added: 13 Feb 2000
Updated: 14 Nov 2025
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What is the phenomenon of a liquid turning into vapor at temperatures below its boiling point?
The phenomenon of a liquid turning into vapor at temperatures below its boiling point is known as evaporation. This process...
Added: 13 Feb 2000
Updated: 12 Nov 2025
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What is the common name for the condition where blood vessels in the eyes of infants burst?
The common name for the condition where blood vessels in the eyes of infants burst is retinopathy of prematurity (ROP)....
Added: 13 Feb 2000
Updated: 13 Nov 2025
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What is ecological balance?
Ecological balance refers to the state of equilibrium in an ecosystem, where various species coexist, and their interactions maintain stability....
Added: 13 Feb 2000
Updated: 06 Nov 2025
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What characteristic of water allows it to regulate temperature effectively?
The characteristic of water that allows it to regulate temperature effectively is its high specific heat. This property means that...
Added: 13 Feb 2000
Updated: 27 Nov 2025
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What is the term for the assembly of multiple polypeptide chains into a protein?
The term for the assembly of multiple polypeptide chains into a protein is quaternary structure. This structural level involves the...
Added: 13 Feb 2000
Updated: 17 Nov 2025
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What is the principle of natural selection?
The principle of natural selection states that organisms better adapted to their environment are more likely to survive and reproduce....
Added: 13 Feb 2000
Updated: 27 Nov 2025
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What is the primary component of the Earth's atmosphere that absorbs UV radiation?
The primary component of the Earth's atmosphere that absorbs UV radiation is ozone (O3). Located primarily in the stratosphere, the...
Added: 13 Feb 2000
Updated: 02 Nov 2025
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What is the role of endorphins in the body?
The role of endorphins in the body is primarily to act as natural painkillers and mood enhancers. These neuropeptides are...
Added: 13 Feb 2000
Updated: 10 Nov 2025
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What is the process by which living organisms obtain energy from food?
The process by which living organisms obtain energy from food is known as metabolism. This encompasses both catabolism (breaking down...
Added: 13 Feb 2000
Updated: 12 Nov 2025
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What do we call the reaction that absorbs heat from its surroundings?
The reaction that absorbs heat from its surroundings is called an endothermic reaction. In this process, energy is taken in,...
Added: 13 Feb 2000
Updated: 24 Nov 2025
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What is a community in an ecological context?
In an ecological context, a community refers to a group of different species that live together in a specific area...
Added: 13 Feb 2000
Updated: 16 Nov 2025
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What organelle is known as the "powerhouse" of the cell?
The organelle known as the "powerhouse of the cell" is the mitochondrion. Mitochondria are responsible for producing adenosine triphosphate (ATP),...
Added: 13 Feb 2000
Updated: 21 Nov 2025
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What is the body’s immediate response to infection?
The body’s immediate response to infection is known as the immune response. This involves the activation of the immune system,...
Added: 13 Feb 2000
Updated: 05 Nov 2025
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What is the genetic structure in the nucleus that carries hereditary information called?
The genetic structure in the nucleus that carries hereditary information is called DNA (deoxyribonucleic acid). DNA is organized into chromosomes...
Added: 13 Feb 2000
Updated: 01 Dec 2025
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