Science — English

What is the main function of cellular transport mechanisms?
The main function of cellular transport mechanisms is to regulate the movement of substances across cellular membranes. These mechanisms ensure...
Added: 29 Feb 2000
Updated: 30 Nov 2025
ℹ️
What is the impact of light pollution on nocturnal animals?
The impact of light pollution on nocturnal animals includes disruption of their natural behaviors, such as feeding, mating, and migration....
Added: 29 Feb 2000
Updated: 23 Nov 2025
ℹ️
What is the method by which radioactive isotopes decay over time?
The method by which radioactive isotopes decay over time is known as radioactive decay. This process involves the transformation of...
Added: 29 Feb 2000
Updated: 16 Nov 2025
ℹ️
What is the primary component of the extracellular matrix in animals?
The primary component of the extracellular matrix in animals is collagen. This protein provides structural support to tissues and is...
Added: 29 Feb 2000
Updated: 14 Nov 2025
ℹ️
What is the term for the process by which genetic variation leads to evolutionary change?
The term for the process by which genetic variation leads to evolutionary change is natural selection. During this process, individuals...
Added: 29 Feb 2000
Updated: 04 Nov 2025
ℹ️
What is the role of pollinators in ecosystems?
The role of pollinators in ecosystems is crucial for the reproduction of many flowering plants. Pollinators, such as bees, butterflies,...
Added: 29 Feb 2000
Updated: 07 Nov 2025
ℹ️
What is the ecological consequence of overfishing?
The ecological consequence of overfishing is the depletion of key fish populations, which disrupts marine ecosystems. Overfishing can lead to...
Added: 29 Feb 2000
Updated: 11 Nov 2025
ℹ️
What is the significance of an ecological pyramid?
The significance of an ecological pyramid is to illustrate the distribution of energy, biomass, or numbers among various trophic levels...
Added: 29 Feb 2000
Updated: 25 Nov 2025
ℹ️
What is the main method of energy capture in photosynthesis?
The main method of energy capture in photosynthesis is through light-dependent reactions. These reactions occur in the thylakoid membranes of...
Added: 29 Feb 2000
Updated: 28 Nov 2025
ℹ️
What is the biological significance of genetic drift?
The biological significance of genetic drift lies in its role in shaping genetic diversity within populations. It is a mechanism...
Added: 29 Feb 2000
Updated: 25 Nov 2025
ℹ️
What is the primary determinant of ecosystem productivity?
The primary determinant of ecosystem productivity is the availability of energy, typically derived from sunlight. In most ecosystems, energy flows...
Added: 29 Feb 2000
Updated: 09 Nov 2025
ℹ️
What is the term used for an organism's habitat and lifestyle?
The term used for an organism's habitat and lifestyle is ecological niche. This concept encompasses how an organism interacts with...
Added: 29 Feb 2000
Updated: 27 Nov 2025
ℹ️
What is the chemical process by which enzymes speed up biochemical reactions?
The chemical process by which enzymes speed up biochemical reactions is known as catalysis. Enzymes lower the activation energy required...
Added: 29 Feb 2000
Updated: 20 Nov 2025
ℹ️
What is the process of speciation known to promote biodiversity?
The process of speciation is known to promote biodiversity. It occurs when populations of a single species evolve differently due...
Added: 29 Feb 2000
Updated: 17 Nov 2025
ℹ️
What is the primary environmental effect of carbon emissions?
The primary environmental effect of carbon emissions is climate change. Increased levels of carbon dioxide in the atmosphere contribute to...
Added: 29 Feb 2000
Updated: 01 Nov 2025
ℹ️
What is the main effect of pollution on aquatic ecosystems?
The main effect of pollution on aquatic ecosystems is the degradation of water quality, leading to harmful impacts on aquatic...
Added: 29 Feb 2000
Updated: 20 Nov 2025
ℹ️
What is the physiology behind the fight-or-flight response?
The physiology behind the fight-or-flight response involves activation of the sympathetic nervous system. When faced with a perceived threat, the...
Added: 29 Feb 2000
Updated: 12 Nov 2025
ℹ️
What is the primary role of foliage in plants?
The primary role of foliage in plants is to conduct photosynthesis, the process by which plants convert light energy into...
Added: 29 Feb 2000
Updated: 26 Nov 2025
ℹ️
What do we call the reduction of species diversity causing ecosystem instability?
The reduction of species diversity causing ecosystem instability is referred to as biodiversity loss. This phenomenon diminishes the variety and...
Added: 29 Feb 2000
Updated: 04 Nov 2025
ℹ️
What is the significance of the food chain in an ecosystem?
The significance of the food chain in an ecosystem lies in its role in illustrating how energy and nutrients flow...
Added: 29 Feb 2000
Updated: 12 Nov 2025
ℹ️