Science — English

What type of plant absorbs most of its nutrients through its leaves?
Plants known as epiphytes absorb most of their nutrients through their leaves. These plants grow on other surfaces, like trees,...
Added: 09 Feb 2000
Updated: 25 Nov 2025
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What is the biological process through which animals maintain internal equilibrium?
The biological process through which animals maintain internal equilibrium is known as homeostasis. This involves the regulation of various physiological...
Added: 09 Feb 2000
Updated: 20 Nov 2025
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What two types of feedback mechanisms are involved in homeostasis?
The two types of feedback mechanisms involved in homeostasis are positive and negative feedback. Negative feedback mechanisms work to counteract...
Added: 09 Feb 2000
Updated: 08 Nov 2025
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What is the tentacle-like structure on some cells called?
The tentacle-like structure on some cells is referred to as a pseudopod or flagellum, depending on the context. Pseudopodia are...
Added: 09 Feb 2000
Updated: 13 Nov 2025
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What is the primary element found in amino acids?
The primary element found in amino acids is carbon, which serves as the backbone for the structure of all amino...
Added: 09 Feb 2000
Updated: 06 Nov 2025
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What organelle is responsible for detoxifying certain chemicals in the liver?
The organelle responsible for detoxifying certain chemicals in the liver is the smooth endoplasmic reticulum (SER). This organelle plays a...
Added: 09 Feb 2000
Updated: 01 Dec 2025
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What is the significance of studying the role of keystone species?
The significance of studying the role of keystone species is rooted in their profound impact on ecosystem structure and function....
Added: 09 Feb 2000
Updated: 16 Nov 2025
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What is the most common form of hydrocarbon?
The most common form of hydrocarbon is alkane, specifically methane (CH₄). Alkanes are saturated hydrocarbons characterized by single bonds between...
Added: 09 Feb 2000
Updated: 14 Nov 2025
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What is the common measure of physiological stress in organisms?
The common measure of physiological stress in organisms is often assessed through the level of corticosterone or other stress hormones...
Added: 09 Feb 2000
Updated: 23 Nov 2025
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What is the term for the genetic code that determines protein synthesis?
The term for the genetic code that determines protein synthesis is DNA (deoxyribonucleic acid). DNA consists of sequences of nucleotides,...
Added: 09 Feb 2000
Updated: 26 Nov 2025
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What is the process by which liquid water becomes vapor?
The process by which liquid water becomes vapor is known as evaporation. This physical process occurs when water molecules gain...
Added: 09 Feb 2000
Updated: 12 Nov 2025
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What is the role of cross-species interactions in ecosystem dynamics?
The role of cross-species interactions in ecosystem dynamics is essential for maintaining biodiversity and ecosystem stability. These interactions, including predation,...
Added: 09 Feb 2000
Updated: 11 Nov 2025
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What is the primary function of neurotransmitters in the nervous system?
The primary function of neurotransmitters in the nervous system is to transmit signals between neurons or from neurons to other...
Added: 09 Feb 2000
Updated: 12 Nov 2025
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What distinguishes vertebrates from invertebrates?
Vertebrates are distinguished from invertebrates by the presence of a vertebral column, or backbone, which is part of an internal...
Added: 09 Feb 2000
Updated: 14 Nov 2025
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What is the significance of studying extreme environments?
The significance of studying extreme environments lies in their potential to transform our understanding of life sciences, evolution, and astrobiology....
Added: 09 Feb 2000
Updated: 15 Nov 2025
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What is the evolutionary significance of reproductive isolation?
The evolutionary significance of reproductive isolation lies in its role in the formation of new species, or speciation. Reproductive isolation...
Added: 09 Feb 2000
Updated: 10 Nov 2025
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What is the energy exchange that occurs between organisms at different trophic levels called?
The energy exchange that occurs between organisms at different trophic levels is referred to as trophic transfer or energy flow....
Added: 09 Feb 2000
Updated: 07 Nov 2025
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What is the primary component of the human immune response?
The primary component of the human immune response is the white blood cells, particularly lymphocytes like B cells and T...
Added: 09 Feb 2000
Updated: 17 Nov 2025
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What type of energy transformation occurs during a chemical reaction?
During a chemical reaction, energy transformation occurs, primarily involving changes in potential energy and the release or absorption of energy...
Added: 09 Feb 2000
Updated: 24 Nov 2025
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What laws govern the motion of objects?
The laws that govern the motion of objects are primarily encapsulated in Newton's Laws of Motion. The first law, or...
Added: 09 Feb 2000
Updated: 20 Nov 2025
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