Science — English

What is the process through which cells divide to form two identical daughter cells?
The process through which cells divide to form two identical daughter cells is known as mitosis. Mitosis is a type...
Added: 20 Apr 2000
Updated: 26 Nov 2025
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What scientific technique is used to separate mixtures of substances?
The scientific technique used to separate mixtures of substances is called chromatography. This technique exploits differences in the properties of...
Added: 20 Apr 2000
Updated: 08 Nov 2025
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Which gas is released during photosynthesis as a byproduct?
The gas released during photosynthesis as a byproduct is oxygen. During this process, green plants absorb carbon dioxide and water,...
Added: 20 Apr 2000
Updated: 04 Nov 2025
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What is the role of the environment in natural selection?
The role of the environment in natural selection is critical, as it shapes the conditions under which organisms survive and...
Added: 20 Apr 2000
Updated: 15 Nov 2025
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What type of organisms primarily decomposes dead matter?
The organisms that primarily decompose dead matter are known as decomposers, including bacteria, fungi, and some insects. These organisms play...
Added: 20 Apr 2000
Updated: 18 Nov 2025
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What is a chemical reaction that absorbs heat called?
A chemical reaction that absorbs heat is called an endothermic reaction. During this process, energy is absorbed from the surroundings,...
Added: 20 Apr 2000
Updated: 28 Nov 2025
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What is the process by which bacteria convert nitrogen gas into ammonia?
The process by which bacteria convert nitrogen gas into ammonia is known as nitrogen fixation. This biological process is primarily...
Added: 20 Apr 2000
Updated: 30 Nov 2025
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What is the term for catastrophic events that affect ecosystems?
The term for catastrophic events that affect ecosystems is known as disturbances. Disturbances can be natural, such as wildfires and...
Added: 20 Apr 2000
Updated: 15 Nov 2025
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What is the scientific study of the structure, function, growth, and evolution of cells?
The scientific study of the structure, function, growth, and evolution of cells is known as cell biology. This field investigates...
Added: 20 Apr 2000
Updated: 11 Nov 2025
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What is the main reservoir for carbon in the environment?
The main reservoir for carbon in the environment is the ocean. Oceans hold a vast amount of carbon in the...
Added: 20 Apr 2000
Updated: 19 Nov 2025
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How is electrical energy commonly transformed into kinetic energy?
Electrical energy is commonly transformed into kinetic energy through devices like electric motors. In these motors, electrical currents generate a...
Added: 20 Apr 2000
Updated: 01 Nov 2025
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What is the term for an organism's role within its ecosystem?
The term for an organism's role within its ecosystem is known as its niche. The niche encompasses not just the...
Added: 20 Apr 2000
Updated: 27 Nov 2025
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Which branch of science deals with the study of fungi?
The branch of science that deals with the study of fungi is known as mycology. Mycology encompasses the classification, biology,...
Added: 20 Apr 2000
Updated: 10 Nov 2025
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What is the term for the change that occurs in an individual organism during its lifetime?
The term for the change that occurs in an individual organism during its lifetime is called ontogeny. This process encompasses...
Added: 20 Apr 2000
Updated: 03 Nov 2025
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What is the standard unit for measuring illumination?
The standard unit for measuring illumination is the lux. One lux is defined as one lumen per square meter and...
Added: 20 Apr 2000
Updated: 06 Nov 2025
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What type of symmetry do bilateral organisms exhibit?
Bilateral organisms exhibit bilateral symmetry, meaning they can be divided into two mirror-image halves along a single plane. This type...
Added: 20 Apr 2000
Updated: 04 Nov 2025
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What is the name given to the point at which the water cycle's evaporation and condensation processes balance?
The point at which the water cycle's evaporation and condensation processes balance is known as the equilibrium point. At this...
Added: 20 Apr 2000
Updated: 07 Nov 2025
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What phenomenon occurs when light waves change speed as they enter a different medium?
The phenomenon that occurs when light waves change speed as they enter a different medium is called ...
Added: 20 Apr 2000
Updated: 28 Nov 2025
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What type of wave is an electromagnetic wave?
Electromagnetic waves are a type of transverse wave. They consist of oscillating electric and magnetic fields that propagate through space...
Added: 20 Apr 2000
Updated: 04 Nov 2025
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What is the primary gas emitted by volcanoes during an eruption?
The primary gas emitted by volcanoes during an eruption is water vapor, which constitutes a significant portion of volcanic gases....
Added: 20 Apr 2000
Updated: 30 Nov 2025
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