Science — English

What is the theory that explains the behavior of gases?
The theory that explains the behavior of gases is the kinetic molecular theory. This theory posits that gases consist of...
Added: 27 Jan 2000
Updated: 30 Nov 2025
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What is a cohort study in scientific research?
A cohort study in scientific research is an observational study design where a group of individuals, known as a cohort,...
Added: 27 Jan 2000
Updated: 23 Nov 2025
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What natural phenomenon is responsible for the seasons on Earth?
The natural phenomenon responsible for the seasons on Earth is the tilt of the Earth's axis relative to its orbit...
Added: 27 Jan 2000
Updated: 23 Nov 2025
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What does genome editing refer to?
Genome editing refers to the technique used to modify an organism's genetic material at specific locations in the genome. Techniques...
Added: 27 Jan 2000
Updated: 04 Nov 2025
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Which part of the plant is responsible for absorbing water and nutrients from the soil?
The part of the plant responsible for absorbing water and nutrients from the soil is the root system. Roots anchor...
Added: 27 Jan 2000
Updated: 29 Nov 2025
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What is a producing organism in an ecosystem?
A producing organism in an ecosystem is known as a primary producer or autotroph. These organisms, such as plants, algae,...
Added: 27 Jan 2000
Updated: 14 Nov 2025
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What is the term for an organism's observable traits?
The term for an organism's observable traits is phenotype. The phenotype is the expression of the organism's genetic makeup (genotype)...
Added: 27 Jan 2000
Updated: 11 Nov 2025
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What is the principle of uniformitarianism in geology?
The principle of uniformitarianism in geology states that the processes shaping the Earth today are the same as those that...
Added: 27 Jan 2000
Updated: 06 Nov 2025
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How does temperature affect enzyme activity?
Temperature affects enzyme activity by influencing both the reaction rate and enzyme stability. Generally, as temperature increases, enzyme activity increases...
Added: 27 Jan 2000
Updated: 06 Nov 2025
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What is the acceleration due to gravity on Earth?
The acceleration due to gravity on Earth is approximately 9.81 m/s². This value represents the rate at which objects accelerate...
Added: 27 Jan 2000
Updated: 16 Nov 2025
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What is the primary role of ribosomes in a cell?
The primary role of ribosomes in a cell is to synthesize proteins, which are essential for numerous cellular functions. Ribosomes...
Added: 27 Jan 2000
Updated: 04 Nov 2025
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What are the characteristics of an amphibian?
Characteristics of an amphibian include being ectothermic, having a dual life stage (aquatic larvae and terrestrial adults), and possessing moist...
Added: 27 Jan 2000
Updated: 27 Nov 2025
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Which scientist proposed the theory of evolution by natural selection?
The scientist who proposed the theory of evolution by natural selection is Charles Darwin. His seminal work, "On the Origin...
Added: 27 Jan 2000
Updated: 25 Nov 2025
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What is a mutualistic relationship in an ecosystem?
A mutualistic relationship in an ecosystem is one where two different species interact and both benefit from the relationship. An...
Added: 27 Jan 2000
Updated: 08 Nov 2025
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What is the main function of red blood cells in the human body?
The main function of red blood cells, or erythrocytes, in the human body is to transport oxygen from the lungs...
Added: 27 Jan 2000
Updated: 07 Nov 2025
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What is the process of photosynthetic carbon fixation?
The process of photosynthetic carbon fixation refers to the conversion of carbon dioxide into organic compounds during photosynthesis. This process...
Added: 27 Jan 2000
Updated: 26 Nov 2025
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What is the name of the process by which bacteria reproduce asexually?
The process by which bacteria reproduce asexually is called binary fission. In binary fission, a single bacterial cell divides into...
Added: 27 Jan 2000
Updated: 20 Nov 2025
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What is the importance of coral reefs in marine ecosystems?
Coral reefs are vital to marine ecosystems for several reasons. They provide a habitat for an array of marine life,...
Added: 27 Jan 2000
Updated: 06 Nov 2025
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In genetics, what does DNA stand for?
In genetics, DNA stands for deoxyribonucleic acid. DNA is the hereditary material in all living organisms and many viruses, carrying...
Added: 27 Jan 2000
Updated: 24 Nov 2025
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What is a chemical element defined by?
A chemical element is defined by its atomic number, which reflects the number of protons in its nucleus. This number...
Added: 27 Jan 2000
Updated: 01 Dec 2025
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