Science — English

What is the function of the cilia in respiratory cells?
Cilia in respiratory cells serve to trap and expel pathogens and particles from the airways. This hair-like structure moves in...
Added: 10 Feb 2000
Updated: 09 Nov 2025
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What is the term for the exchange of gases between the atmosphere and living organisms?
The term for the exchange of gases between the atmosphere and living organisms is respiration. This process involves the uptake...
Added: 10 Feb 2000
Updated: 09 Nov 2025
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What phenomenon occurs when a sound wave hits a barrier and reflects back?
The phenomenon that occurs when a sound wave hits a barrier and reflects back is called echo. This occurs due...
Added: 10 Feb 2000
Updated: 30 Nov 2025
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What is the scientific study of human anatomy and physiology?
The scientific study of human anatomy and physiology is known as human biology. This field encompasses the structure, function, and...
Added: 10 Feb 2000
Updated: 16 Nov 2025
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What term describes the interaction of two species in an ecosystem?
The term that describes the interaction of two species in an ecosystem is symbiosis. This interaction can take various forms,...
Added: 10 Feb 2000
Updated: 12 Nov 2025
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What is the term for the process of removing waste products from the body?
The term for the process of removing waste products from the body is excretion. This vital physiological process allows organisms...
Added: 10 Feb 2000
Updated: 21 Nov 2025
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What is the basic structure of an amino acid?
The basic structure of an amino acid consists of a central carbon atom, an amino group (−NH2), a carboxyl group...
Added: 10 Feb 2000
Updated: 11 Nov 2025
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What is the hormone responsible for regulating blood sugar levels?
The hormone responsible for regulating blood sugar levels is insulin. Produced by the pancreas, insulin helps cells absorb glucose for...
Added: 10 Feb 2000
Updated: 28 Nov 2025
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What is the role of the xylem in plants?
The role of the xylem in plants is to transport water and dissolved minerals from the roots to the leaves....
Added: 10 Feb 2000
Updated: 12 Nov 2025
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What is the scientific name for the type of bond between hydrogen and oxygen in water?
The scientific name for the type of bond between hydrogen and oxygen in water is a polar covalent bond. This...
Added: 10 Feb 2000
Updated: 21 Nov 2025
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What is the term for the maximum number of individuals an environment can support?
The term for the maximum number of individuals an environment can support is carrying capacity. This concept refers to the...
Added: 10 Feb 2000
Updated: 27 Nov 2025
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What is the term for the study of volcanoes?
The term for the study of volcanoes is volcanology. This scientific discipline focuses on understanding the formation, eruption, and activity...
Added: 10 Feb 2000
Updated: 30 Nov 2025
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What type of organism is a decomposer?
A decomposer is an organism that breaks down dead organic matter, typically fungi or certain types of bacteria. These organisms...
Added: 10 Feb 2000
Updated: 18 Nov 2025
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What are the primary elements found in most organic molecules?
The primary elements found in most organic molecules are carbon, hydrogen, oxygen, and nitrogen. These elements form the backbone of...
Added: 10 Feb 2000
Updated: 22 Nov 2025
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What is the primary function of stomata in plants?
The primary function of stomata in plants is to facilitate gas exchange. These small openings on leaf surfaces allow for...
Added: 10 Feb 2000
Updated: 16 Nov 2025
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What is the name of the enzyme that breaks down lactose?
The name of the enzyme that breaks down lactose is lactase. This enzyme facilitates the hydrolysis of lactose, a disaccharide...
Added: 10 Feb 2000
Updated: 10 Nov 2025
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What is a characteristic that increases an organism's chances of survival called?
A characteristic that increases an organism's chances of survival is called an adaptation. Adaptations can be structural, behavioral, or physiological...
Added: 10 Feb 2000
Updated: 29 Nov 2025
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What type of reasoning is commonly used in scientific experiments?
The type of reasoning commonly used in scientific experiments is inductive reasoning. This method involves deriving general principles from specific...
Added: 10 Feb 2000
Updated: 17 Nov 2025
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What is the process called that occurs when a species evolves to fit a particular niche?
The process that occurs when a species evolves to fit a particular niche is called adaptive radiation. This evolutionary phenomenon...
Added: 10 Feb 2000
Updated: 25 Nov 2025
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What is the primary material found in the composition of bones?
The primary material found in the composition of bones is collagen. This protein provides bones with strength and flexibility, while...
Added: 10 Feb 2000
Updated: 15 Nov 2025
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