Science — English

What is a watershed?
A watershed is a land area that collects and drains water into a specific body of water, such as a...
Added: 01 Feb 2000
Updated: 03 Nov 2025
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What is the term for the random movement of particles in a fluid?
The term for the random movement of particles in a fluid is called Brownian motion. This phenomenon occurs due to...
Added: 01 Feb 2000
Updated: 08 Nov 2025
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What does the term "abiotic" refer to?
The term "abiotic" refers to non-living components of an ecosystem. Such elements include climate, soil, water, and minerals, which influence...
Added: 01 Feb 2000
Updated: 07 Nov 2025
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What is the role of the respiratory system in mammals?
The role of the respiratory system in mammals includes facilitating the exchange of gases, primarily oxygen and carbon dioxide. Through...
Added: 01 Feb 2000
Updated: 07 Nov 2025
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What is the difference between a hypothesis and a prediction?
The difference between a hypothesis and a prediction lies in their function within the scientific method. A hypothesis is a...
Added: 01 Feb 2000
Updated: 05 Nov 2025
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What is the term for the study of ancient life through fossils?
The term for the study of ancient life through fossils is paleontology. Paleontologists analyze fossilized remains and traces of organisms...
Added: 01 Feb 2000
Updated: 10 Nov 2025
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What is an energy pyramid?
An energy pyramid is a graphical representation that illustrates the distribution of energy among different trophic levels in an ecosystem....
Added: 01 Feb 2000
Updated: 02 Nov 2025
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What is homeostasis in biological contexts?
Homeostasis in biological contexts refers to the maintenance of stable internal conditions despite external environmental changes. Cells, tissues, and organisms...
Added: 01 Feb 2000
Updated: 29 Nov 2025
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What is the main principle behind Darwin's theory of evolution?
The main principle behind Darwin's theory of evolution is natural selection. This process asserts that individuals with advantageous traits are...
Added: 01 Feb 2000
Updated: 01 Dec 2025
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What is the main challenge facing biodiversity today?
The main challenge facing biodiversity today is the rapid loss of species due to human activities, such as habitat destruction,...
Added: 01 Feb 2000
Updated: 29 Nov 2025
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What is the term for organisms that feed on dead organisms?
Organisms that feed on dead organisms are termed saprophytes or detritivores. These organisms play a vital role in decomposition, recycling...
Added: 01 Feb 2000
Updated: 29 Nov 2025
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What is the function of a barometer?
A barometer is an instrument that measures atmospheric pressure. It is essential for weather forecasting and understanding climatic trends. Barometers...
Added: 01 Feb 2000
Updated: 14 Nov 2025
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What is the name of the functional unit of the kidney?
The name of the functional unit of the kidney is the nephron. Each kidney contains approximately one million nephrons, which...
Added: 01 Feb 2000
Updated: 26 Nov 2025
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What is an organelle?
An organelle is a specialized structure within a cell that performs distinctive functions necessary for cellular operation. Organelles can be...
Added: 01 Feb 2000
Updated: 19 Nov 2025
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What is the significance of the water cycle in environmental science?
The significance of the water cycle in environmental science lies in its role in regulating climate, supporting life, and driving...
Added: 01 Feb 2000
Updated: 16 Nov 2025
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What is the concept of ecological interactions?
The concept of ecological interactions encompasses the various ways in which organisms interact with one another and their environment. These...
Added: 01 Feb 2000
Updated: 16 Nov 2025
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What is the primary purpose of the Earth's magnetic field?
The primary purpose of the Earth's magnetic field is to protect the planet from harmful solar radiation and cosmic rays....
Added: 01 Feb 2000
Updated: 15 Nov 2025
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What is the study of interactions between organisms and their environment called?
The study of interactions between organisms and their environment is called ecology. This scientific field examines how living beings interact...
Added: 01 Feb 2000
Updated: 06 Nov 2025
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What is the name of the bond that forms between amino acids?
The bond that forms between amino acids is known as a peptide bond. This covalent bond occurs when the carboxyl...
Added: 01 Feb 2000
Updated: 22 Nov 2025
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What is a cause-and-effect relationship in biology?
In biology, a cause-and-effect relationship refers to the link between one event (the cause) and another event (the effect) that...
Added: 01 Feb 2000
Updated: 07 Nov 2025
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