Search Results for: natural environment
Environment
Environment Definition What does environment mean? If you mean physical environment, then it is defined as the surrounding... Read More
Natural selection
Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More
Natural environment
Definition noun All living and non-living things that occur naturally on a particular region. Supplement A natural... Read More
Darwinian fitness
Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More
Ecosystem diversity
Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... Read More
Darwin and Natural Selection
Reviewed by: Mary Anne Clark, Ph.D.In the 19th century, a man called Charles Darwin, a biologist from England,... Read More
Survival of the fittest
When we talk about evolutionary processes, the usage of the phrase "Survival of the fittest" has been very common in... Read More
Fastidious
Fastidious Definition We can define fastidious as a term used in microbiology to denote a species that lacks the ability to... Read More
Abiotic factor
An abiotic factor is a non-living element of the environment that influences the way organisms and ecosystems function. Some... Read More
Animal Water Regulation
Homeostatic control, a set environment, and how evolution and natural selection drives a species to adapt to its environment... Read More
Examples of Natural Selection
Reviewed by: Mary Anne Clark, Ph.D.Darwin's Finches Darwin's finches are an excellent example of the way in... Read More
Genetic diversity
Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More
Genetic drift
Genetic Drift Definition What is genetic drift in simple terms? The simple definition of genetic drift ( also referred to... Read More
Neutral mutation
Neutral Mutation Definition What is a neutral mutation? Neutral mutations are the alterations in the DNA that are... Read More
Allopatric speciation
We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More
Sexual selection
What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More
Sympatric speciation
Speciation is a process of evolution through which two different existing populations evolve and a distinct species form. It... 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
Equilibrium
Equilibrium Definition In Biology Equilibrium refers to the state of balance and stability. In biology, equilibrium is... Read More
Neuroethology
Definition noun A discipline that deals with the scientific study of the neural basis of natural animal... Read More
Biotic factor
Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More
Adaptive Radiation
Reviewed by: Mary Anne Clark, Ph.D.When Charles Darwin was in the Galapagos Islands, one of the first things he... Read More
Physiological adaptation
If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More
Disruptive Selection
An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More
Contamination
Contamination Definition Contamination, sometimes interchanged with pollution, is the existence of live things or... Read More
Indicator Species and Endangered Species
Indicator Species Certain species are capable of expressing characteristics that can indicate the state of the ecosystem... 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
Population Growth and Survivorship
By: Maria Victoria GonzagaPreviously, we learned about biodiversity and endemism. Now, let's look at the... Read More
The Gene Pool and Population Genetics
Reviewed by: Mary Anne Clark, Ph.D.The previous tutorial is about adaptive radiation. Adaptive radiation is... Read More
Hypertonic solution
Hypertonic Solution Definition Hypertonic solution is a relative term that describes the solution having a higher amount of... Read More
Unconditioned stimulus
An unconditioned stimulus inherently triggers an automatic response, not reliant on deliberate prior learning. In contrast... Read More
