Search Results for: measuring
Ecological Research: Measuring & Analysis
By: Maria Victoria Gonzaga Previously in this lesson, we learned that high biodiversity is essential to a healthy... Read More
Micrometer
micrometer An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of... Read More
Residual volume
Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More
Biodiversity
The biological world or life on earth is a marvel that has amazed us since time immemorial. The rich natural diversity of... Read More
Permeability
Permeability Definition What is permeability? In earth science, its definition is this: "the ability of any material such... Read More
Respirometer
respirometer 1. An instrument for measuring the extent of the respiratory movements. 2. An instrument for measuring oxygen... Read More
Unified atomic mass unit
Unified Atomic Mass Unit Definition The Unified Atomic Mass Unit (u) (or simply atomic mass unit) refers to the 1/12... Read More
Chronobiology
Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More
Darwinian fitness
Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More
Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae)
Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae) VIANNA, Wânia de Oliveira, SOARES, Marli Kasue Misaki... Read More
Indicator Species
A species which is a good indicator of the living conditions in a particular habitat. The peppermoth will express a black... Read More
Photolysis
Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More
Primer extension
Definition noun A method that uses the enzyme Reverse Transcriptase (RNA-dependent DNA polymerase) to determine the... Read More
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Pulmonary ventilation
Definition noun (1) The process at which the air enters or leaves, between the lungs and the ambient air (2) The rate of... Read More
Net primary productivity
In order to keep the biosphere running, different organisms play different roles and functions. Some help in oxygen... Read More
Independent variable
Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More
Community (biology)
Community, in biology, refers to the assemblage of interacting organisms (either of the same or different species)... Read More
Growth Patterns
When measuring growth, it is more desirable to use dry mass as a reliable indication. However, since you can't just 'suck'... Read More
Mātauranga Māori and Science
By: Maria Victoria Gonzaga In the previous lesson, we learned about the various methods used in measuring... Read More
Population Growth and Survivorship
By: Maria Victoria Gonzaga Previously, we learned about biodiversity and endemism. Now, let's look at the... Read More
Hydrophobic
Hydrophobic Definition The fear of mixing or reacting with water under a given set of reaction parameters is often referred... Read More
Electroneuromyography
Electroneuromyography a method of measuring changes in a peripheral nerve by combining electromyography of a muscle with... Read More
Radial immunodiffusion
Definition noun A quantitative immunodiffusion technique used to detect the level of protein (antigen) in a sample by... Read More
Absorption
Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More
Unconditioned stimulus
An unconditioned stimulus inherently triggers an automatic response, not reliant on deliberate prior learning. In contrast... Read More
Atomic weight
Atomic weight (Science: chemistry) The average weight of an atom of an element, i.e. The total mass of protons and neutrons... Read More
Thermometer
thermometer (Science: physics) An instrument for measuring temperature, founded on the principle that changes of temperature... Read More