Science — English

What is a periodical table?
The periodic table is an organized chart that displays all known chemical elements according to their atomic number, electron configurations,...
Added: 17 Feb 2000
Updated: 03 Nov 2025
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What is the term for the variety of life forms within a given ecosystem?
The term for the variety of life forms within a given ecosystem is known as biodiversity. Biodiversity encompasses the range...
Added: 17 Feb 2000
Updated: 07 Nov 2025
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What are the primary components of the nitrogen cycle?
The primary components of the nitrogen cycle include nitrogen fixation, nitrification, denitrification, and ammonification. Nitrogen fixation occurs when atmospheric nitrogen...
Added: 17 Feb 2000
Updated: 06 Nov 2025
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What is the role of the urinary system in maintaining homeostasis?
The role of the urinary system in maintaining homeostasis is to regulate the composition of blood and remove waste products...
Added: 17 Feb 2000
Updated: 08 Nov 2025
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What do we call substances that speed up a chemical reaction without being consumed?
Substances that speed up a chemical reaction without being consumed are known as catalysts. In biological systems, enzymes act as...
Added: 17 Feb 2000
Updated: 16 Nov 2025
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What is the main productive force behind the process of photosynthesis?
The main productive force behind the process of photosynthesis is sunlight. During photosynthesis, chlorophyll in plant cells absorbs light energy...
Added: 17 Feb 2000
Updated: 06 Nov 2025
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What type of star is formed when a massive star exhausts its nuclear fuel?
When a massive star exhausts its nuclear fuel, it often results in the formation of a red supergiant before undergoing...
Added: 17 Feb 2000
Updated: 16 Nov 2025
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What is the function of the small intestine in nutrient absorption?
The function of the small intestine in nutrient absorption is to break down food and absorb essential nutrients and minerals....
Added: 17 Feb 2000
Updated: 09 Nov 2025
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What is the primary organ in the circulatory system that pumps blood?
The primary organ in the circulatory system responsible for pumping blood is the heart. This muscular organ contracts rhythmically to...
Added: 17 Feb 2000
Updated: 03 Nov 2025
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What are the key characteristics of life?
The key characteristics of life include cellular organization, metabolism, homeostasis, growth, reproduction, response to stimuli, and adaptation through evolution. These...
Added: 17 Feb 2000
Updated: 18 Nov 2025
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What is the primary role of a keystone species in an ecosystem?
The primary role of a keystone species in an ecosystem is to maintain its structure and health. These species have...
Added: 17 Feb 2000
Updated: 21 Nov 2025
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What defines a species?
A species is defined as a group of organisms that can interbreed and produce fertile offspring in natural conditions. Members...
Added: 17 Feb 2000
Updated: 27 Nov 2025
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What is the term for the distance between two corresponding points on consecutive waves?
The term for the distance between two corresponding points on consecutive waves is known as wavelength. It is a fundamental...
Added: 17 Feb 2000
Updated: 06 Nov 2025
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What is the process of converting carbon dioxide to organic matter in plants called?
The process of converting carbon dioxide to organic matter in plants is called photosynthesis. During this process, plants absorb sunlight...
Added: 17 Feb 2000
Updated: 03 Nov 2025
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What is selective pressure in natural selection?
Selective pressure in natural selection refers to environmental factors that influence the survival and reproduction of organisms. It can arise...
Added: 17 Feb 2000
Updated: 08 Nov 2025
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What is the fundamental concept of evolution that explains species adaptation?
The fundamental concept of evolution that explains species adaptation is known as natural selection. This process posits that individuals with...
Added: 17 Feb 2000
Updated: 21 Nov 2025
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What is the term for a species that has a disproportionate effect on its environment?
A species that has a disproportionate effect on its environment is referred to as a "keystone species." These species, often...
Added: 17 Feb 2000
Updated: 20 Nov 2025
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What does the term "biotic" refer to in ecology?
In ecology, the term "biotic" refers to all living components of an ecosystem. This includes plants, animals, fungi, and microorganisms...
Added: 17 Feb 2000
Updated: 05 Nov 2025
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What is the significance of the Water Cycle in maintaining life on Earth?
The Water Cycle is crucial for maintaining life as it regulates the distribution of water across the planet. It involves...
Added: 17 Feb 2000
Updated: 28 Nov 2025
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What is the name of the chemical process that converts carbon dioxide and water into glucose?
The chemical process that converts carbon dioxide and water into glucose is called photosynthesis. In this process, plants utilize sunlight...
Added: 17 Feb 2000
Updated: 02 Nov 2025
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