Science — English

What is the role of nutrients in ecosystems?
Nutrients are essential for the growth and development of organisms in ecosystems. They provide the necessary elements and compounds that...
Added: 31 Jan 2000
Updated: 02 Nov 2025
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What is a common cause of genetic variation in populations?
A common cause of genetic variation in populations is mutation. Mutations are changes in the DNA sequence that can occur...
Added: 31 Jan 2000
Updated: 18 Nov 2025
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What is the scientific term for the study of heredity?
The scientific term for the study of heredity is genetics. This field explores how traits and characteristics are passed from...
Added: 31 Jan 2000
Updated: 30 Nov 2025
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What is the primary concern of environmental science?
The primary concern of environmental science is to understand the interactions between humans and the natural environment, focusing on issues...
Added: 31 Jan 2000
Updated: 14 Nov 2025
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What is phylogeny?
Phylogeny is the study of the evolutionary development and relationships among different species, often represented in the form of a...
Added: 31 Jan 2000
Updated: 24 Nov 2025
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What is the principle of conservation of momentum?
The principle of conservation of momentum states that the total momentum of a closed system remains constant if no external...
Added: 31 Jan 2000
Updated: 16 Nov 2025
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What is the objective of conservation biology?
The objective of conservation biology is to protect and restore the biodiversity of ecosystems and the species within them. This...
Added: 31 Jan 2000
Updated: 19 Nov 2025
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What is the name of the law that relates pressure and volume of gases?
The law that relates pressure and volume of gases is known as Boyle's Law. This fundamental principle states that the...
Added: 31 Jan 2000
Updated: 17 Nov 2025
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What is the difference between active and passive transport in cells?
The difference between active and passive transport in cells lies in the energy requirements for moving substances across the cell...
Added: 31 Jan 2000
Updated: 22 Nov 2025
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What is the role of parasitic plants in ecosystems?
Parasitic plants, such as mistletoe and dodder, play unique roles in ecosystems by deriving nutrients and water from their host...
Added: 31 Jan 2000
Updated: 17 Nov 2025
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What is the relationship between mass and energy according to Einstein's theory?
According to Einstein's theory of relativity, mass and energy are related through the famous equation E = mc². This equation...
Added: 31 Jan 2000
Updated: 08 Nov 2025
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What is a trait in genetics?
A trait in genetics refers to a specific characteristic or feature that is inherited and can be observed in an...
Added: 31 Jan 2000
Updated: 28 Nov 2025
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What is the branch of science that studies chemicals and their properties?
The branch of science that studies chemicals and their properties is called chemistry. This field investigates the composition, structure, behavior,...
Added: 31 Jan 2000
Updated: 16 Nov 2025
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What does an ecological survey involve?
An ecological survey involves systematically collecting data about a specific ecosystem to assess its health and biodiversity. This process typically...
Added: 31 Jan 2000
Updated: 05 Nov 2025
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What is the molecular formula for water?
The molecular formula for water is H₂O, indicating that each molecule consists of two hydrogen atoms covalently bonded to one...
Added: 31 Jan 2000
Updated: 10 Nov 2025
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What is the significance of polar habitats in global ecology?
Polar habitats, such as Arctic and Antarctic regions, are significant for global ecology as they play crucial roles in regulating...
Added: 30 Jan 2000
Updated: 17 Nov 2025
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What is the main property of metals in the periodic table?
The main property of metals in the periodic table is their tendency to conduct electricity and heat efficiently. Metals typically...
Added: 30 Jan 2000
Updated: 29 Nov 2025
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What is the principle of parsimony in scientific reasoning?
The principle of parsimony, often referred to as Occam's Razor, states that when presented with competing hypotheses about the same...
Added: 30 Jan 2000
Updated: 12 Nov 2025
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What is the term for a species' role in its ecosystem?
The term for a species' role in its ecosystem is called its niche. A niche encompasses how a species interacts...
Added: 30 Jan 2000
Updated: 26 Nov 2025
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What is the primary characteristic of a prokaryotic cell?
The primary characteristic of a prokaryotic cell is the lack of a membrane-bound nucleus. Prokaryotic cells, which include bacteria and...
Added: 30 Jan 2000
Updated: 07 Nov 2025
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