Science — English

Which organ system is responsible for the production of hormones?
The organ system responsible for the production of hormones is the endocrine system. This system consists of glands that secrete...
Added: 06 Mar 2000
Updated: 26 Nov 2025
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What gas is produced as a byproduct of cellular respiration?
The gas produced as a byproduct of cellular respiration is carbon dioxide. This metabolic process occurs in cells to convert...
Added: 06 Mar 2000
Updated: 08 Nov 2025
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Which type of plant life cycle involves alternating between haploid and diploid generations?
The type of plant life cycle that involves alternating between haploid and diplod generations is known as the alternation of...
Added: 06 Mar 2000
Updated: 22 Nov 2025
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What is the effect called that occurs when a liquid's surface tension allows it to resist an external force?
The effect that occurs when a liquid's surface tension allows it to resist an external force is called surface tension....
Added: 06 Mar 2000
Updated: 26 Nov 2025
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What is the scientific discipline that focuses on the study of the stars and celestial bodies?
The scientific discipline that focuses on the study of the stars and celestial bodies is called astronomy. This field investigates...
Added: 06 Mar 2000
Updated: 27 Nov 2025
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What is the primary factor driving evolution in populations over time?
The primary factor driving evolution in populations over time is natural selection. This process favors individuals with traits that enhance...
Added: 06 Mar 2000
Updated: 05 Nov 2025
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What is the term for a change in an organism's structure or function to better adapt to the environment?
The term for a change in an organism's structure or function to better adapt to the environment is adaptation. This...
Added: 06 Mar 2000
Updated: 04 Nov 2025
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What is the main role of the phloem in vascular plants?
The main role of the phloem in vascular plants is to transport nutrients, particularly sugars produced during photosynthesis, from the...
Added: 06 Mar 2000
Updated: 05 Nov 2025
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What is the scientific term for a meteor that reaches the Earth's surface?
The scientific term for a meteor that reaches the Earth's surface is a meteorite. Meteorites provide valuable information about the...
Added: 06 Mar 2000
Updated: 15 Nov 2025
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What type of energy transformation occurs in solar panels?
The type of energy transformation that occurs in solar panels is from solar energy to electrical energy. Solar panels convert...
Added: 06 Mar 2000
Updated: 24 Nov 2025
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What is the main component of the Earth's outer core?
The main component of the Earth's outer core is liquid iron. This molten iron, along with nickel and other elements,...
Added: 06 Mar 2000
Updated: 08 Nov 2025
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Which plant structure is primarily responsible for photosynthesis?
The plant structure primarily responsible for photosynthesis is the chloroplast. Containing chlorophyll, chloroplasts convert sunlight into chemical energy stored as...
Added: 06 Mar 2000
Updated: 01 Nov 2025
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What is the discovery known as the "law of segregation" attributed to?
The discovery known as the "law of segregation" is attributed to Gregor Mendel. His experiments with pea plants led him...
Added: 06 Mar 2000
Updated: 05 Nov 2025
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What is the process by which an atom gains or loses electrons?
The process by which an atom gains or loses electrons is known as ionization. When an atom loses electrons, it...
Added: 06 Mar 2000
Updated: 24 Nov 2025
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What type of reaction occurs when a substance combines with oxygen?
The type of reaction that occurs when a substance combines with oxygen is called an oxidation reaction. This process often...
Added: 06 Mar 2000
Updated: 23 Nov 2025
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What molecule is known as the building block of proteins?
The molecule known as the building block of proteins is called an amino acid. There are 20 standard amino acids,...
Added: 06 Mar 2000
Updated: 28 Nov 2025
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What is the scientific name for the process of fermentation?
The scientific name for the process of fermentation is commonly referred to as anaerobic respiration. This metabolic process converts sugars...
Added: 06 Mar 2000
Updated: 08 Nov 2025
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Which scale is used to measure the intensity of earthquakes?
The scale used to measure the intensity of earthquakes is the Richter scale, which quantifies the energy released during an...
Added: 06 Mar 2000
Updated: 22 Nov 2025
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What is the key characteristic that distinguishes mammals from other animal classes?
The key characteristic that distinguishes mammals from other animal classes is the presence of mammary glands, which allow females to...
Added: 06 Mar 2000
Updated: 29 Nov 2025
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What is the term for the rate of change of an object's velocity?
The term for the rate of change of an object's velocity is known as acceleration. It measures how quickly an...
Added: 06 Mar 2000
Updated: 19 Nov 2025
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