Search Results for: variables
Independent variable
Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More
Null hypothesis
Null Hypothesis Definition Null hypothesis is defined as “the commonly accepted fact (such as the sky is blue) and... Read More
Hypothesis
What Is Hypothesis? A scientific hypothesis is a foundational element of the scientific method. It's a testable statement... Read More
Homeostasis
Homeostasis is the tendency not to stray from the range of favorable or ideal internal conditions. Such conditions must be... Read More
Dichotomous
Several English words are widely used across different fields of Science. One such term is dichotomous. We often use this... Read More
Controlled variable
Definition noun, plural: control variables A variable that remains unchanged or held constant to prevent its effects on the... Read More
Feedback mechanism
Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More
Control variable
Definition noun, plural: control variables A variable that remains unchanged or held constant to prevent its effects on... Read More
Dependent variable
Definition noun, plural: dependent variables (mathematical modeling) The variable in a functional relation whose value is... Read More
Carrying capacity
Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More
Unconditioned stimulus
An unconditioned stimulus inherently triggers an automatic response, not reliant on deliberate prior learning. In contrast... Read More
What is a species? Definition of species, different approaches
What is the definition of species? What does it take to be considered as a species? Ever since there has been an array of... Read More
Hypertrophy
Hypertrophy Definition Hypertrophy refers to the enlargement or increase in the size of an organ or tissue due to the... Read More
Lethal mutation
Lethal Mutation Definition Genetic mutations come from changes in the DNA structure or sequencing in an organism. Often... Read More
Equilibrium
Equilibrium Definition In Biology Equilibrium refers to the state of balance and stability. In biology, equilibrium is... Read More
Matched-pair analysis
Definition noun A form of analysis where each of the subjects in a study (experimental) group is paired with each of those... Read More
Global Carbon Cycling on a Heterogeneous Seafloor
Carbon, nitrogen and oxygen are the fundamental elements of life on Earth. Global carbon varies in amount and its... Read More
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Demographic transition
The demographic transition model is a theoretical framework that explains the historical shift in population dynamics as a... Read More
Haplodiploidy
Definition noun A biological system of sex determination as observed in the Hymenopteran species (e.g. ants and bees) where... Read More
Simpsons paradox
Definition noun It is used in statistics to confirm data resulting from the combination of unequal size of group that has... Read More
Ecological niche
Ecological Niche Definition An ecological niche refers to the interrelationship of a species with all the biotic and... Read More
Differentiation
Differentiation in biology is the process where less specialized cells undergo changes to develop specialized structures and... Read More
Cell differentiation
Cells are often described as the building blocks of life as they are the smallest unit used to build up organisms. Cells can... Read More
Environment
Environment Definition What does environment mean? If you mean physical environment, then it is defined as the surrounding... Read More
Adipose tissue
Adipose Tissue Definition Adipose tissue, a specialized variety of connective tissue, is composed of lipid-rich cells known... Read More
Density dependent limiting factor
What Is A Density-Dependent Limiting Factor? Density-dependent limiting factors are limiting factors, which, depending on... Read More
Positive feedback
Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More
Limiting factor
Limiting Factor Definition A limiting factor refers to any of the factors (variables) in an environment capable of limiting... Read More
Standardization
standardization 1. The making of a solution of definite strength so that it may be used for comparison and in tests. 2.... Read More
Cross-sectional study
Cross-sectional study (Science: epidemiology) a study in which the presence or absence of disease or other health-related... Read More