Science — English

What is an example of a chemical reaction that absorbs energy?
An example of a chemical reaction that absorbs energy is photosynthesis. In this process, plants convert carbon dioxide and water...
Added: 18 Feb 2000
Updated: 13 Nov 2025
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What is the term for a species that has a significant impact on its environment?
The term for a species that has a significant impact on its environment is referred to as a keystone species....
Added: 18 Feb 2000
Updated: 16 Nov 2025
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What is the scientific study of chromosomes and cell division called?
The scientific study of chromosomes and cell division is called cytogenetics. This field examines the structure, function, and behavior of...
Added: 18 Feb 2000
Updated: 14 Nov 2025
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What impact does industrial pollution have on ecosystem health?
Industrial pollution has a detrimental impact on ecosystem health by introducing harmful substances into the environment, affecting air, water, and...
Added: 18 Feb 2000
Updated: 17 Nov 2025
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What do we call the outer layer of a cell that provides structure and support?
The outer layer of a cell that provides structure and support is called the cell membrane or, in plant cells,...
Added: 18 Feb 2000
Updated: 20 Nov 2025
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What is the primary function of sensory receptors in the human body?
The primary function of sensory receptors in the human body is to detect changes in the environment and convert these...
Added: 18 Feb 2000
Updated: 02 Nov 2025
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What is the significance of vertical stratification in ecosystems?
The significance of vertical stratification in ecosystems lies in its influence on biodiversity and resource availability. Stratification refers to the...
Added: 18 Feb 2000
Updated: 29 Nov 2025
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What is the biological term for the first organism in a food chain?
The biological term for the first organism in a food chain is termed the producer. Producers, primarily photosynthetic plants or...
Added: 18 Feb 2000
Updated: 05 Nov 2025
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What is the principle behind the law of conservation of mass?
The principle behind the law of conservation of mass states that matter cannot be created or destroyed in a closed...
Added: 18 Feb 2000
Updated: 23 Nov 2025
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What is biological evolution?
Biological evolution refers to the process by which populations of organisms change over generations through mechanisms like natural selection, mutation,...
Added: 18 Feb 2000
Updated: 27 Nov 2025
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What is the term for a solution that contains particles that are evenly distributed throughout?
A solution that contains particles that are evenly distributed throughout is referred to as a homogeneous solution. In these solutions,...
Added: 18 Feb 2000
Updated: 24 Nov 2025
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What is the common name for the organism that causes malaria?
The common name for the organism that causes malaria is the Plasmodium parasite. This single-celled organism is transmitted to humans...
Added: 18 Feb 2000
Updated: 07 Nov 2025
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What is adaptation?
Adaptation is the process through which organisms develop traits that enhance their survival and reproduction in specific environments. It involves...
Added: 18 Feb 2000
Updated: 15 Nov 2025
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What is the primary focus of microbiology?
The primary focus of microbiology is the study of microscopic organisms, including bacteria, viruses, fungi, and protozoa. This field investigates...
Added: 18 Feb 2000
Updated: 21 Nov 2025
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What is the significance of mutation as a driving force in evolution?
The significance of mutation as a driving force in evolution lies in its ability to introduce new genetic variation within...
Added: 18 Feb 2000
Updated: 22 Nov 2025
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What role does the primary consumer play in a food web?
In a food web, the primary consumer plays a crucial role as an organism that primarily feeds on producers (plants)....
Added: 18 Feb 2000
Updated: 20 Nov 2025
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What is the main factor that drives the rock cycle?
The main factor that drives the rock cycle is geological activity, accompanied by the processes of weathering, erosion, sedimentation, and...
Added: 18 Feb 2000
Updated: 01 Nov 2025
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What is the role of the elements in the organic macromolecules?
The role of elements in organic macromolecules is fundamental, as they form the building blocks of life. Major elements such...
Added: 18 Feb 2000
Updated: 15 Nov 2025
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What is a niche?
A niche refers to the role or function of a species within an ecosystem. It encompasses how an organism interacts...
Added: 18 Feb 2000
Updated: 05 Nov 2025
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What process describes the extraction of minerals from beneath the Earth's surface?
The process that describes the extraction of minerals from beneath the Earth's surface is known as mining. This practice involves...
Added: 18 Feb 2000
Updated: 07 Nov 2025
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