Search Results for: adaptive
Adaptive radiation
Definition noun The diversification of several new species from a recent ancestral source, each adapted to utilize or... 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
Adaptive evolution
Definition noun A kind of evolution that involves evolutionary changes that are adaptive to a particular... Read More
Adaptive zone
Definition noun, plural: adaptive zones An ecological opportunity for the development of adaptive radiation, enabling a... Read More
Adaptive trait
Definition noun, plural: adaptive traits A genetic trait that helps an organism to maximize its reproductive... Read More
Adaptation
Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting behavior, physiology, or... Read More
Adaptive behaviour
Adaptive behaviour Any behaviour that enables an organism to adjust to a particular situation or... 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
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics - Definition:... Read More
Humoral immunity
Let’s get to know where one should place humoral immunity, the topic of today’s discussion!! By the end of the article,... Read More
Divergent evolution
Divergent Evolution Definition Divergent evolution refers to the process by which interbreeding species diverged into two... Read More
Convergent evolution
Convergent evolution definition What is convergent evolution? Convergent evolution is a concept in evolutionary biology... Read More
Genetics and Evolution
Tutorials in Genetics and Evolution immerse on the molecular aspects and the works of nature that led to what every living... Read More
Behavioural ecology
Definition noun The study of behavioral adaptations and interactions of animals within a population in relation to the... 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
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
Secondary succession
We all have come across news where forest lands got destroyed by wildfires. Or sometimes we have read about an entire... Read More
The adaptive features of the Giant Rat
The Giant African rat, also known as the Gambian pouched rat, is one of Africa's largest rodents. Two species have being... Read More
A Look Into Natural Selection and its Mechanisms
Charles Darwin is credited with outlining the fundamentals of evolution. He was a smart and eager pupil and protégé, and... Read More
Immune system
Definition noun The organ system that is involved in protecting the organism from infection, infestation, and other... Read More
Organization
Organization Definition The meaning of the term "organization" is very simple. It means the state wherein things are... Read More
Phagocytosis
Phagocytosis Definition Phagocytosis is a basic physiological cellular process wherein a cell ingests a solid particle... Read More
Natural selection
Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More
Hyperosmotic
Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... Read More
Prehensile tail
Definition noun, plural: prehensile tails A tail characterized by its adaptive features, enabling the vertebrate animal to... Read More
Arthropods
There are over two million species of arthropods, who initially arrived on Earth in the middle of the Cambrian period.... Read More
Intercalary meristem
The basic structural framework of plants is composed of different types of tissues. Based upon the capacity to divide, the... Read More
Memory B cell
Definition noun, plural: memory B cells A small, long-lived B lymphocyte that was previously exposed to a particular... Read More
Natural passive immunity
Definition noun A passive immunity acquired by the fetus or newborn from the mother via the placental transfer of antibodies... Read More
Growth and Plant Hormones
Growth All living organisms begin in the same form: as a single cell. That cell will divide and the resulting cells will... Read More
Evolution of Life – Ancient Earth
Continuing from the previous tutorial investigating the origins of life on Earth.... Life began to flourish, and the... Read More
Cell division
Cell division is a biological process by which a parent cell duplicates its cell contents and divides to give rise to two or... Read More
Conspecific
Biodiversity is divided into different hierarchical levels in order to study them in a systematic way. Whether it be a... Read More
Plasma B cell
Definition noun, plural: plasma B cells A large B lymphocyte that when exposed to antigen, produce, and secrete large... Read More
Amphibians & Early Reptiles
Amphibia Definition (Science: zoology) Amphibia is one of the classes of vertebrates. The amphibia are distinguished by... Read More
Early Mammals on Earth
By the time the dinosaurs were extinct 65 million years ago, the world's landmass had split up into more or less the... Read More