Science — English

What part of the cell is known as the control center?
The part of the cell known as the control center is the nucleus. It contains the cell's genetic material, DNA,...
Added: 20 Jan 2000
Updated: 29 Nov 2025
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What is the environmental phenomenon when a species overwhelmingly dominates an ecosystem called?
The environmental phenomenon when a species overwhelmingly dominates an ecosystem is called species dominance or monodominance. This occurs when a...
Added: 20 Jan 2000
Updated: 30 Nov 2025
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What is the main function of the myelin sheath in neurons?
The main function of the myelin sheath in neurons is to insulate axons and enhance electrical signal transmission. Myelin, composed...
Added: 20 Jan 2000
Updated: 06 Nov 2025
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What is the scientific field dedicated to studying fungi known as?
The scientific field dedicated to studying fungi is known as mycology. Mycology encompasses the exploration of fungal biology, taxonomy, ecology,...
Added: 20 Jan 2000
Updated: 03 Nov 2025
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What is the basic difference between a chemical and a physical change?
The basic difference between a chemical change and a physical change lies in the substance's identity and composition. A chemical...
Added: 20 Jan 2000
Updated: 01 Dec 2025
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What is the name of the process by which photosynthetic organisms capture energy?
The name of the process by which photosynthetic organisms capture energy is photosynthesis. During photosynthesis, plants, algae, and some bacteria...
Added: 20 Jan 2000
Updated: 19 Nov 2025
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What is the name of the biological process where cells undergo programmed cell death?
The name of the biological process where cells undergo programmed cell death is apoptosis. This mechanism is crucial for maintaining...
Added: 20 Jan 2000
Updated: 21 Nov 2025
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What is the effect of pollutants on aquatic ecosystems called?
The effect of pollutants on aquatic ecosystems is called eutrophication. This process occurs when excess nutrients, particularly nitrogen and phosphorus,...
Added: 20 Jan 2000
Updated: 04 Nov 2025
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What is the study of the genetic changes in populations over time called?
The study of the genetic changes in populations over time is called evolutionary biology. This field examines how populations evolve...
Added: 20 Jan 2000
Updated: 03 Nov 2025
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What is the difference between saturated and unsaturated fats?
The difference between saturated and unsaturated fats lies in their chemical structure. Saturated fats are composed of fatty acids with...
Added: 20 Jan 2000
Updated: 24 Nov 2025
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What is the term used for the genetic makeup of an organism?
The term used for the genetic makeup of an organism is genotype. The genotype represents the specific alleles, or variants...
Added: 20 Jan 2000
Updated: 04 Nov 2025
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What is the most common isotope of carbon?
The most common isotope of carbon is carbon-12 (C-12). This stable isotope has six protons and six neutrons in its...
Added: 20 Jan 2000
Updated: 11 Nov 2025
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What is the term for an organism's habitat and its role in an ecosystem?
The term for an organism's habitat and its role in an ecosystem is called the niche. A niche defines how...
Added: 20 Jan 2000
Updated: 04 Nov 2025
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What is the principle of conservation of energy?
The principle of conservation of energy states that energy cannot be created or destroyed but can only be transformed from...
Added: 20 Jan 2000
Updated: 16 Nov 2025
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What structure in plants is responsible for gas exchange?
The structure in plants responsible for gas exchange is the stomata. Stomata are small openings located on the surface of...
Added: 20 Jan 2000
Updated: 10 Nov 2025
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What is the scientific study of the Earth's atmosphere known as?
The scientific study of the Earth's atmosphere is known as meteorology. Meteorology focuses on understanding weather patterns, climate changes, and...
Added: 20 Jan 2000
Updated: 09 Nov 2025
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What is the effect of climate change on biodiversity?
The effect of climate change on biodiversity is profound, leading to habitat loss, shifting species distributions, and increased extinction rates....
Added: 20 Jan 2000
Updated: 10 Nov 2025
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What is the term for organisms that depend on other organisms for food?
The term for organisms that depend on other organisms for food is heterotrophs. Heterotrophs cannot produce their own food and...
Added: 20 Jan 2000
Updated: 05 Nov 2025
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What element is crucial for the transport of oxygen in the blood?
The element crucial for the transport of oxygen in the blood is iron, which is found in the hemoglobin protein...
Added: 20 Jan 2000
Updated: 13 Nov 2025
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What is the primary role of the circulatory system?
The primary role of the circulatory system is to transport nutrients, gases, hormones, and waste products throughout the body. It...
Added: 20 Jan 2000
Updated: 15 Nov 2025
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