Science — English

Which scientist is best known for the theory of evolution by natural selection?
Charles Darwin is best known for the theory of evolution by natural selection. His work laid the foundation for modern...
Added: 20 Jan 2000
Updated: 28 Nov 2025
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What is the definition of a biome?
A biome is defined as a large ecological area characterized by specific climatic conditions, vegetation types, and animal communities. Examples...
Added: 20 Jan 2000
Updated: 21 Nov 2025
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What is the impact of invasive species on native populations?
The impact of invasive species on native populations is often detrimental, as these non-native organisms can outcompete, predate, or introduce...
Added: 20 Jan 2000
Updated: 20 Nov 2025
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What is the term for the scattering of light as it passes through a medium?
The term for the scattering of light as it passes through a medium is refraction. This phenomenon occurs when light...
Added: 20 Jan 2000
Updated: 21 Nov 2025
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What is the significance of keystone species in an ecosystem?
The significance of keystone species in an ecosystem is profound; these species have a disproportionate effect on their environment relative...
Added: 20 Jan 2000
Updated: 12 Nov 2025
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What is the scientific term for the transformation of one type of substance into another through chemical reactions?
The scientific term for the transformation of one type of substance into another through chemical reactions is chemical change. This...
Added: 20 Jan 2000
Updated: 06 Nov 2025
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What is the measurement of an object's gravitational pull known as?
The measurement of an object's gravitational pull is known as weight. Weight varies depending on the local gravitational field strength,...
Added: 20 Jan 2000
Updated: 01 Dec 2025
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What is the principle that describes the behavior of gases under pressure called?
The principle that describes the behavior of gases under pressure is known as gas laws. Specifically, according to Boyle's Law,...
Added: 20 Jan 2000
Updated: 12 Nov 2025
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What is the primary role of the cell membrane?
The primary role of the cell membrane is to regulate the movement of substances in and out of the cell,...
Added: 20 Jan 2000
Updated: 18 Nov 2025
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What do we call the cycle of changes in an ecosystem over time?
The cycle of changes in an ecosystem over time is called ecological succession. This process typically occurs in stages, beginning...
Added: 20 Jan 2000
Updated: 02 Nov 2025
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What is the scientific process of identifying and classifying organisms?
The scientific process of identifying and classifying organisms is known as taxonomy. Taxonomy organizes living things into hierarchical categories, such...
Added: 20 Jan 2000
Updated: 12 Nov 2025
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What is the term for a sudden geological event like an earthquake?
The term for a sudden geological event like an earthquake is a geological hazard. Earthquakes are caused by the release...
Added: 20 Jan 2000
Updated: 01 Nov 2025
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What is the main function of collagen in the human body?
The main function of collagen in the human body is to provide structural support and strength to various tissues. This...
Added: 20 Jan 2000
Updated: 14 Nov 2025
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What is the significance of photosynthesis in the environment?
The significance of photosynthesis in the environment is profound, as it converts light energy into chemical energy, producing oxygen and...
Added: 20 Jan 2000
Updated: 24 Nov 2025
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What is the major effect of plastic pollution on marine life?
The major effect of plastic pollution on marine life includes entanglement and ingestion, leading to serious health issues and mortality....
Added: 20 Jan 2000
Updated: 21 Nov 2025
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What is the role of carbon in organic compounds?
The role of carbon in organic compounds is foundational, as it is a primary element in various biological molecules, such...
Added: 20 Jan 2000
Updated: 04 Nov 2025
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What is the difference between dominant and recessive traits?
The difference between dominant and recessive traits lies in their expression in an organism's phenotype. Dominant traits manifest even when...
Added: 20 Jan 2000
Updated: 01 Nov 2025
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What is the scientific term for animals that reproduce by laying eggs?
The scientific term for animals that reproduce by laying eggs is oviparous. Oviparous species typically deposit fertilized eggs in a...
Added: 20 Jan 2000
Updated: 20 Nov 2025
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What is the primary role of the frontal lobe in the brain?
The primary role of the frontal lobe in the brain includes functions related to executive control, such as decision-making, planning,...
Added: 20 Jan 2000
Updated: 26 Nov 2025
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What is the impact of climate change on polar ecosystems?
Climate change significantly impacts polar ecosystems through rising temperatures, melting ice, and altered habitats. These changes affect species such as...
Added: 20 Jan 2000
Updated: 15 Nov 2025
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