Science — English

What structure is responsible for filtering blood in the kidneys?
The structure responsible for filtering blood in the kidneys is the nephron. Each kidney contains approximately a million nephrons, which...
Added: 09 Apr 2000
Updated: 07 Nov 2025
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What is the primary method by which organisms maintain balance in their internal environment?
The primary method by which organisms maintain balance in their internal environment is called homeostasis. This process involves the regulation...
Added: 09 Apr 2000
Updated: 03 Nov 2025
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What type of bacteria can survive in extreme conditions, such as high temperatures or salinity?
The type of bacteria that can survive in extreme conditions, such as high temperatures or salinity, are known as extremophiles....
Added: 09 Apr 2000
Updated: 26 Nov 2025
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What is the unit of measurement for the strength of electric current?
The unit of measurement for the strength of electric current is the ampere, often abbreviated as A. It quantifies the...
Added: 09 Apr 2000
Updated: 14 Nov 2025
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What is the primary source of atmospheric oxygen on Earth?
The primary source of atmospheric oxygen on Earth is photosynthesis, a process carried out by plants, algae, and some bacteria....
Added: 09 Apr 2000
Updated: 06 Nov 2025
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Which type of reaction involves the breaking down of compounds into simpler substances?
The type of reaction that involves the breaking down of compounds into simpler substances is known as a decomposition reaction....
Added: 09 Apr 2000
Updated: 28 Nov 2025
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What is the process called in which organisms evolve to better adapt to their environment?
The process in which organisms evolve to better adapt to their environment is called natural selection. Natural selection is a...
Added: 08 Apr 2000
Updated: 06 Nov 2025
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What type of specialized cell conducts impulses throughout the nervous system?
The type of specialized cell that conducts impulses throughout the nervous system is called a neuron. Neurons are the fundamental...
Added: 08 Apr 2000
Updated: 04 Nov 2025
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What are the two primary types of energy, kinetic and potential?
The two primary types of energy are kinetic energy and potential energy. Kinetic energy is the energy of motion, dependent...
Added: 08 Apr 2000
Updated: 01 Nov 2025
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What scientific field involves the study of matter, energy, and their interactions?
The scientific field involving the study of matter, energy, and their interactions is called physics. Physics encompasses a wide range...
Added: 08 Apr 2000
Updated: 16 Nov 2025
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What is the primary purpose of a control in an experiment?
The primary purpose of a control in an experiment is to provide a baseline for comparison. Controls help ensure that...
Added: 08 Apr 2000
Updated: 17 Nov 2025
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What is the scientific term for the layer of gases surrounding a planet?
The scientific term for the layer of gases surrounding a planet is the atmosphere. The atmosphere consists of multiple layers,...
Added: 08 Apr 2000
Updated: 21 Nov 2025
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What type of bond forms between polar molecules?
The type of bond that forms between polar molecules is called a hydrogen bond. These bonds occur when a hydrogen...
Added: 08 Apr 2000
Updated: 22 Nov 2025
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What phenomenon is described by the Doppler effect?
The Doppler effect describes the change in frequency or wavelength of a wave in relation to an observer who is...
Added: 08 Apr 2000
Updated: 04 Nov 2025
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Which structure in the brain controls homeostasis?
The structure in the brain that controls homeostasis is the hypothalamus. Located at the base of the brain, the hypothalamus...
Added: 08 Apr 2000
Updated: 15 Nov 2025
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What is the main component of the cell wall in plant cells?
The main component of the cell wall in plant cells is cellulose. Cellulose is a complex carbohydrate made up of...
Added: 08 Apr 2000
Updated: 03 Nov 2025
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What is the process called in which bacterial cells replicate?
The process in which bacterial cells replicate is called binary fission. In binary fission, a single bacterial cell divides into...
Added: 08 Apr 2000
Updated: 01 Nov 2025
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What term describes the loss of biodiversity?
The term that describes the loss of biodiversity is biodiversity decline or biodiversity loss. This phenomenon occurs due to various...
Added: 08 Apr 2000
Updated: 12 Nov 2025
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Which organ system is responsible for transporting nutrients in the body?
The organ system responsible for transporting nutrients in the body is the circulatory system. This system includes the heart, blood...
Added: 08 Apr 2000
Updated: 06 Nov 2025
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What is the scientific name for the process of making an organism cold-blooded?
The scientific name for the process of making an organism cold-blooded is ectothermization. This term refers to the way in...
Added: 08 Apr 2000
Updated: 07 Nov 2025
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