Science — English

What principle states that in a closed system, the total mass remains constant?
The principle that states that in a closed system, the total mass remains constant is known as the Law of...
Added: 22 Mar 2000
Updated: 28 Nov 2025
ℹ️
What is the hardest naturally occurring mineral on Earth?
The hardest naturally occurring mineral on Earth is diamond. Formed under high-pressure and high-temperature conditions deep within the Earth's mantle,...
Added: 22 Mar 2000
Updated: 26 Nov 2025
ℹ️
What is the phenomenon called when light bends as it passes through different mediums?
The phenomenon called when light bends as it passes through different mediums is known as refraction. This occurs because light...
Added: 22 Mar 2000
Updated: 12 Nov 2025
ℹ️
What is the primary chemical component of stars?
The primary chemical component of stars is hydrogen. In the early universe, hydrogen formed shortly after the Big Bang and...
Added: 22 Mar 2000
Updated: 26 Nov 2025
ℹ️
What force keeps the planets in orbit around the sun?
The force that keeps the planets in orbit around the sun is known as gravity. This fundamental force is responsible...
Added: 22 Mar 2000
Updated: 03 Nov 2025
ℹ️
Which part of a cell contains the genetic material?
The part of a cell that contains the genetic material is the nucleus. This membrane-bound organelle houses the cell's DNA,...
Added: 22 Mar 2000
Updated: 16 Nov 2025
ℹ️
What is the significance of studying ancient ecosystems through fossil evidence?
Studying ancient ecosystems through **fossil evidence** is significant as it provides insights into past environments, climatic conditions, and evolutionary processes....
Added: 22 Mar 2000
Updated: 03 Nov 2025
ℹ️
What is the relationship between population density and resource availability?
The relationship between population density and resource availability is often characterized by the concept of carrying capacity, which refers to...
Added: 22 Mar 2000
Updated: 23 Nov 2025
ℹ️
What is the role of the cerebellum in movement?
The role of the cerebellum in movement is to coordinate and fine-tune voluntary motor activities, ensuring smooth and balanced physical...
Added: 22 Mar 2000
Updated: 12 Nov 2025
ℹ️
What is the significance of studying coral bleaching in marine biology?
Studying coral bleaching in marine biology is significant as it reveals the health of coral ecosystems, which are vital for...
Added: 22 Mar 2000
Updated: 26 Nov 2025
ℹ️
What is the primary factor influencing the distribution of organisms?
The primary factor influencing the distribution of organisms is environmental conditions, which includes aspects like climate, temperature, and available resources...
Added: 22 Mar 2000
Updated: 18 Nov 2025
ℹ️
What is the purpose of ecological restoration in habitat management?
The purpose of ecological restoration in habitat management is to recover and rehabilitate degraded ecosystems to their original state or...
Added: 22 Mar 2000
Updated: 28 Nov 2025
ℹ️
What is the term for organisms that break down organic material?
The term for organisms that break down organic material is decomposers, which include fungi, bacteria, and some insects. Decomposers play...
Added: 22 Mar 2000
Updated: 01 Dec 2025
ℹ️
What is the significance of studying the human microbiome in health science?
Studying the human microbiome is significant in health science as it encompasses the diverse community of microorganisms residing in and...
Added: 22 Mar 2000
Updated: 27 Nov 2025
ℹ️
What is the role of mutations in evolution?
Mutations play a pivotal role in evolution as they introduce genetic diversity within populations. These changes in the DNA sequence...
Added: 22 Mar 2000
Updated: 04 Nov 2025
ℹ️
What is the basic unit of measure for energy in metabolic processes?
The basic unit of measure for energy in metabolic processes is the calorie (or more commonly in biological contexts, the...
Added: 21 Mar 2000
Updated: 29 Nov 2025
ℹ️
What is the main role of uric acid in metabolism?
The main role of uric acid in metabolism is to serve as a byproduct of purine catabolism. It is produced...
Added: 21 Mar 2000
Updated: 22 Nov 2025
ℹ️
What is the significance of freshwaters in biodiversity conservation?
Freshwaters are crucial for biodiversity conservation as they support a vast array of ecosystems and species, including numerous fish, amphibians,...
Added: 21 Mar 2000
Updated: 29 Nov 2025
ℹ️
What is the impact of climate change on migratory patterns of birds?
Climate change significantly impacts the migratory patterns of birds by altering their habitat, availability of food resources, and breeding grounds....
Added: 21 Mar 2000
Updated: 07 Nov 2025
ℹ️
What is the term for the conversion of light energy to chemical energy?
The term for the conversion of light energy to chemical energy is photosynthesis. This process occurs primarily in plants, algae,...
Added: 21 Mar 2000
Updated: 19 Nov 2025
ℹ️