36 results found

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

Exogenous

Exogenous Definition Exogenous is a word referring to a factor or event coming or contributing from outside a defined... 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

Variable

Definition noun, plural: variables (1) Something that varies or have no fixed quantitative value. (2) A quantity that... 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

Control

Definition noun, plural: controls (general) That which purposefully direct, manipulate, manage, regulate, restrain, or cause... Read More

Ecological niche

Ecological Niche Definition An ecological niche refers to the interrelationship of a species with all the biotic and... Read More

S factor

S factor The individual variables, or empirically most minute subclusters of intercorrelations or common variance, found in... 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

Producer

Producer Definition Producers are organisms that can produce organic matter using an external energy source. They include... Read More