Science — English

What is a habitat?
A habitat is the natural environment where an organism lives, providing essential resources such as food, shelter, and water. It...
Added: 26 Jan 2000
Updated: 23 Nov 2025
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What is a food chain?
A food chain is a linear sequence that outlines how energy and nutrients flow through an ecosystem, starting from producers...
Added: 26 Jan 2000
Updated: 01 Dec 2025
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What is the main role of chloroplasts in plant cells?
The main role of chloroplasts in plant cells is to conduct photosynthesis, converting light energy into chemical energy in the...
Added: 26 Jan 2000
Updated: 15 Nov 2025
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What structure in the brain is responsible for regulating body temperature?
The structure in the brain responsible for regulating body temperature is the hypothalamus. It acts as a thermostat, monitoring the...
Added: 26 Jan 2000
Updated: 13 Nov 2025
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What is a prokaryotic cell?
A prokaryotic cell is a type of cell that lacks a nucleus and other membrane-bound organelles. These cells are typically...
Added: 26 Jan 2000
Updated: 09 Nov 2025
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In physics, what is the law that states that energy cannot be created or destroyed?
In physics, the law that states that energy cannot be created or destroyed is known as the law of conservation...
Added: 26 Jan 2000
Updated: 08 Nov 2025
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What is an ecosystem equilibrium?
Ecosystem equilibrium refers to a stable state in which the populations of different species and their abiotic environments are balanced....
Added: 26 Jan 2000
Updated: 07 Nov 2025
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What process do cells use to divide and reproduce?
Cells use a process called mitosis to divide and reproduce. Mitosis is crucial for growth, development, and healing, allowing a...
Added: 26 Jan 2000
Updated: 21 Nov 2025
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What is the study of human behavior in relation to the environment called?
The study of human behavior in relation to the environment is called environmental psychology. This field examines how physical environments...
Added: 26 Jan 2000
Updated: 22 Nov 2025
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What is the term for substances that cannot be broken down into simpler substances?
Substances that cannot be broken down into simpler substances are known as elements. Each element consists of unique atoms characterized...
Added: 26 Jan 2000
Updated: 14 Nov 2025
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What is a compound light microscope used for in science?
A compound light microscope is used in science to magnify small specimens, such as cells and microorganisms, that cannot be...
Added: 26 Jan 2000
Updated: 12 Nov 2025
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What is the primary factor that drives climate patterns on Earth?
The primary factor driving climate patterns on Earth is the sun, specifically its energy output and the tilt of the...
Added: 26 Jan 2000
Updated: 08 Nov 2025
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What is the significance of a control variable in scientific experiments?
A control variable in scientific experiments is significant because it remains constant while other variables are changed. By controlling these...
Added: 26 Jan 2000
Updated: 12 Nov 2025
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What is the main purpose of the scientific method?
The main purpose of the scientific method is to provide a systematic approach for investigating natural phenomena. It involves formulating...
Added: 26 Jan 2000
Updated: 19 Nov 2025
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What is photosynthetic efficiency?
Photosynthetic efficiency refers to the effectiveness with which plants convert light energy, primarily sunlight, into chemical energy through photosynthesis. It...
Added: 26 Jan 2000
Updated: 24 Nov 2025
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What is the smallest unit of life known as?
The smallest unit of life is known as a cell. Cells are the basic building blocks of all living organisms,...
Added: 26 Jan 2000
Updated: 04 Nov 2025
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What is the function of the integumentary system?
The integumentary system serves as the body’s first line of defense against pathogens and environmental hazards. Its primary components include...
Added: 26 Jan 2000
Updated: 23 Nov 2025
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In which part of the cell does cellular respiration primarily occur?
Cellular respiration primarily occurs in the mitochondria of eukaryotic cells. This process converts glucose and oxygen into adenosine triphosphate (ATP),...
Added: 26 Jan 2000
Updated: 23 Nov 2025
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What are the differences between aerobic and anaerobic respiration?
Aerobic respiration occurs in the presence of oxygen and produces more energy (up to 36 ATP) by fully oxidizing glucose....
Added: 26 Jan 2000
Updated: 05 Nov 2025
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What phenomenon causes the bending of light when it passes through different mediums?
The bending of light when it passes through different mediums is known as refraction. This occurs because light travels at...
Added: 26 Jan 2000
Updated: 22 Nov 2025
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