Science — English

What principle explains how energy moves through an ecosystem?
The principle that explains how energy moves through an ecosystem is the energy flow concept. This concept is illustrated by...
Added: 11 Feb 2000
Updated: 28 Nov 2025
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What is the term for a mutual relationship between two different species?
The term for a mutual relationship between two different species is symbiosis. This interaction can take various forms, including mutualism,...
Added: 11 Feb 2000
Updated: 08 Nov 2025
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What is the field that studies the Earth's physical structure and substance?
The field that studies the Earth's physical structure and substance is known as geology. Geologists examine the composition, processes, and...
Added: 11 Feb 2000
Updated: 12 Nov 2025
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What is the unit of measure for force in the SI system?
The unit of measure for force in the SI system is the newton (N). One newton is defined as the...
Added: 11 Feb 2000
Updated: 04 Nov 2025
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What is an emerging disease?
An emerging disease refers to a new or previously unrecognized disease that increases in incidence or geographic range. These diseases...
Added: 11 Feb 2000
Updated: 16 Nov 2025
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What are the basic components of a scientific experiment?
The basic components of a scientific experiment include a hypothesis, variables, controls, and data collection. The hypothesis proposes a testable...
Added: 11 Feb 2000
Updated: 04 Nov 2025
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What is the substance that carries genetic information?
The substance that carries genetic information is called DNA, or deoxyribonucleic acid. DNA is composed of two strands forming a...
Added: 11 Feb 2000
Updated: 26 Nov 2025
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What process leads to the formation of clouds?
The process that leads to the formation of clouds is called condensation. This occurs when water vapor in the atmosphere...
Added: 11 Feb 2000
Updated: 09 Nov 2025
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What is the primary role of the hypothalamus in regulating body temperature?
The primary role of the hypothalamus in regulating body temperature is to maintain homeostasis. The hypothalamus, a small region located...
Added: 11 Feb 2000
Updated: 29 Nov 2025
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What is the function of myelin sheath in nerve cells?
The function of the myelin sheath in nerve cells is to insulate axons and enhance the speed of electrical signal...
Added: 11 Feb 2000
Updated: 03 Nov 2025
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What is the process of forming a new species called?
The process of forming a new species is called speciation. Speciation occurs when a population becomes isolated due to geographical,...
Added: 11 Feb 2000
Updated: 23 Nov 2025
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What is the primary advantage of sexual reproduction?
The primary advantage of sexual reproduction is the increased genetic diversity it offers to offspring. This genetic variation enhances adaptability...
Added: 11 Feb 2000
Updated: 22 Nov 2025
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What type of reaction releases more energy than it consumes?
The type of reaction that releases more energy than it consumes is called an exothermic reaction. In these reactions, the...
Added: 11 Feb 2000
Updated: 23 Nov 2025
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What does the term "abiotic" refer to in ecology?
The term "abiotic" in ecology refers to non-living components of an ecosystem. These factors include elements such as sunlight, temperature,...
Added: 11 Feb 2000
Updated: 01 Nov 2025
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What is the term for the biological community of organisms and their physical environment?
The term for the biological community of organisms and their physical environment is ecosystem. An ecosystem encompasses all living (biotic)...
Added: 11 Feb 2000
Updated: 30 Nov 2025
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What is the composition of the human genome?
The composition of the human genome consists of approximately 3 billion base pairs of DNA organized into 23 pairs of...
Added: 11 Feb 2000
Updated: 08 Nov 2025
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What is the difference between an inherited trait and an acquired trait?
The difference between an inherited trait and an acquired trait lies in their origins. Inherited traits are genetically passed from...
Added: 11 Feb 2000
Updated: 20 Nov 2025
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What is the purpose of a scientific law?
The purpose of a scientific law is to describe consistent patterns observed in nature, often expressed in mathematical terms. These...
Added: 11 Feb 2000
Updated: 24 Nov 2025
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What is the role of B cells in the immune system?
The role of B cells in the immune system is crucial for the adaptive immune response. They are a type...
Added: 11 Feb 2000
Updated: 06 Nov 2025
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What are the characteristics of living organisms?
The characteristics of living organisms include the ability to grow, reproduce, metabolize, respond to stimuli, and maintain homeostasis. They are...
Added: 11 Feb 2000
Updated: 12 Nov 2025
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