Science — English

What type of animal can give birth to live young instead of laying eggs?
Animals that can give birth to live young instead of laying eggs are classified as viviparous. Examples include most mammals...
Added: 19 Feb 2000
Updated: 21 Nov 2025
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What is the role of interspecies competition in ecosystems?
The role of interspecies competition in ecosystems is significant as it influences species diversity, population dynamics, and community structure. This...
Added: 19 Feb 2000
Updated: 19 Nov 2025
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What is the basic structure of proteins known as?
The basic structure of proteins is known as their primary structure, which refers to the unique sequence of amino acids...
Added: 19 Feb 2000
Updated: 24 Nov 2025
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What is the primary purpose of a scientific theory?
The primary purpose of a scientific theory is to explain and predict natural phenomena based on a body of evidence....
Added: 19 Feb 2000
Updated: 07 Nov 2025
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What is the term for the concentration gradient in a solution?
The term for the concentration gradient in a solution describes the difference in the concentration of a substance across a...
Added: 19 Feb 2000
Updated: 23 Nov 2025
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What are nutrient cycles in nature?
Nutrient cycles in nature refer to the movements and transformations of vital elements like carbon, nitrogen, and phosphorus through different...
Added: 19 Feb 2000
Updated: 14 Nov 2025
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What is the significance of the microbiome in digestive health?
The significance of the microbiome in digestive health is profound. This complex community of microorganisms living in the digestive tract...
Added: 19 Feb 2000
Updated: 30 Nov 2025
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What is the primary function of the pancreas in the human body?
The primary function of the pancreas in the human body is to produce and secrete digestive enzymes and hormones. As...
Added: 19 Feb 2000
Updated: 12 Nov 2025
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What is a scientific theory of evolution?
A scientific theory of evolution is the theory of natural selection...
Added: 18 Feb 2000
Updated: 23 Nov 2025
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What is the role of the circadian rhythm in living organisms?
The role of the circadian rhythm in living organisms is to regulate physiological processes according to a roughly 24-hour cycle....
Added: 18 Feb 2000
Updated: 14 Nov 2025
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What is the term for changes in genetic traits over successive generations?
The term for changes in genetic traits over successive generations is evolution. This process occurs through mechanisms such as natural...
Added: 18 Feb 2000
Updated: 10 Nov 2025
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What is the role of pheromones in animal communication?
The role of pheromones in animal communication is crucial for various social and reproductive behaviors. These chemical signals are secreted...
Added: 18 Feb 2000
Updated: 21 Nov 2025
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What is the primary type of bond formed between two nonmetals?
The primary type of bond formed between two nonmetals is a covalent bond. In this bond, atoms share pairs of...
Added: 18 Feb 2000
Updated: 21 Nov 2025
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What is an example of ecological succession?
An example of ecological succession is the process of primary succession following a volcanic eruption. Initially, bare rock is colonized...
Added: 18 Feb 2000
Updated: 04 Nov 2025
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What is the role of chlorophyll in the process of photosynthesis?
The role of chlorophyll in the process of photosynthesis is to absorb light energy, primarily from the sun. This green...
Added: 18 Feb 2000
Updated: 08 Nov 2025
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What is the term for the genetic variation that arises within a population?
The term for the genetic variation that arises within a population is genetic diversity. This variation is essential for a...
Added: 18 Feb 2000
Updated: 01 Dec 2025
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What is the term for ecosystems that have stable environments?
Ecosystems that have stable environments are termed climax ecosystems. These ecosystems have reached a state of equilibrium, where the species...
Added: 18 Feb 2000
Updated: 09 Nov 2025
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What is the evolutionary significance of fossils?
The evolutionary significance of fossils lies in their ability to provide evidence for the history of life on Earth. They...
Added: 18 Feb 2000
Updated: 14 Nov 2025
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What type of rock is formed through the accumulation of sediment?
The type of rock formed through the accumulation of sediment is known as sedimentary rock. These rocks develop from particles...
Added: 18 Feb 2000
Updated: 19 Nov 2025
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What is the primary factor affecting enzyme activity in biochemical reactions?
The primary factor affecting enzyme activity in biochemical reactions is temperature. Enzymes have optimal temperature ranges in which they function...
Added: 18 Feb 2000
Updated: 03 Nov 2025
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