Search Results for: rare
Rare species
rare species A species of animal or plant that is considered rare, threatened, or... Read More
Endoplasmic reticulum
Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More
Missense mutation
What is a missense mutation? Literally speaking, a mutation that changes the meaning of the encoded gene sequence is the... 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
Monogenic disease
Monogenic Disease Definition A monogenic disease is a diseased condition determined by the interaction of a single gene.... Read More
Population Regulation in an Ecosystem
Darwin focused some of this work in regards to the population size of a species, and what factors may affect them. He... Read More
Hermaphrodite
We all know that typically living organisms are divided into two main categories of sex-based on their biological structure.... Read More
Disruptive Selection
An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More
Ecosystem diversity
Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... 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
Feedback mechanism
Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More
Thermophile
Thermophiles Definition What are thermophiles? Let us first understand the literal meaning of the word ‘thermophile’.... Read More
Parasite Rex : Inside the Bizarre World of Nature’s Most Dangerous Creatures
Parasite Rex : Inside the Bizarre World of Nature's Most Dangerous Creatures ... Read More
Chromosomal mutation
Every living thing is made up of DNA. Our DNA is what makes us unique and different in the world. Our DNA is made up of... Read More
Spermiogenesis
Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
Complete dominance
Complete Dominance Definition Genetics is the study of how traits are inherited by organisms and in what ways these... Read More
Family traits
When one thinks of family, they often think of persons who are blood-related to each other as parents to their children and... 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
Osteopetrosis
Definition noun, plural: osteopetroses A rare hereditary disorder in which the bones are becoming excessively dense, thick,... Read More
Skeletal system
What is the Skeletal System? How to define a skeleton? The skeletal system is the main framework that gives your body its... Read More
Elephantiasis
Definition noun, plural: elephantiases A disease of the skin characterized by being thick, rough, hard, and fissured, like... Read More
Polymorphism
Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More
Punctuated equilibrium
Definition noun A theory that describes an evolutionary change happening rapidly and in brief geological events in between... Read More
Genetic variability
Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More
Pseudostratified epithelium
Definition noun, plural: pseudostratified epithelia An epithelial tissue comprised of a single layer of epithelial cells... Read More
Mitochondrial DNA not just from moms but also from dads?
If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More