Search Results for: breed
Crossbreed
Definition noun, plural: crossbreeds The offspring of two purebred individuals from different varieties or breeds verb (1)... Read More
Selective Breeding
Reviewed by: Mary Anne Clark, PhDThousands of years before Darwin proposed evolution by natural selection and... 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
Crossbreeding
Definition noun The act or process of producing offspring by mating purebred individuals of different breeds or... Read More
Interbreed
Breed animals or plants using parents of different races and varieties; cross a horse and a donkey; Mendel tried... Read More
Inbreeding
Inbreeding is a type of breeding or mating where closely related individuals with a common ancestor produce progenies with... Read More
True breeding
Definition noun A kind of breeding in which the parents with a particular phenotype produce offspring only with the same... Read More
Incomplete dominance
Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More
Disruptive Selection
An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More
Phenotypic ratio
Phenotypic Ratio Definition How would one define phenotypic ratio? The correlation between the amount of offspring that... Read More
Hypomelanism
All the body cells of living organisms bear some color due to one or the other pigment molecule or complex. The pigment can... Read More
Apparent competition
Competition Definition One of the many branches of biology is ecology. Ecology is the study of the relationships that the... Read More
Inherited traits
What are Inherited Traits? The characteristics or traits that are passed from parents to offspring are known as inherited... 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
Law of Segregation
Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that initially were... Read More
Vertical gene transfer
Definition noun (genetics) The transfer of genes from parents to offspring Supplement Gene transfer refers to the movement... Read More
Domestic cat
Definition noun, plural: domestic cats A small domesticated Felis species, e.g. F. domestica or F. catus Supplement The... 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
Freshwater Lentic Communities & Animals
Plants that live partially or completely submerged in water are deemed hydrophytes. A form of symbiosis occurs with these... 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
Tracking the migration of Whip-poor-will in Americas
Eastern whip-poor-will (Antrostomus vociferous) is continuously declining due to habitat loss and unavailability of insects... Read More
New Zealand’s Biodiversity
Written by: Maria Victoria GonzagaPeer-reviewed by: Cathy Buntting, Ph.D. and Andrea SoanesWhy is New... Read More
New Zealand’s Unique Fauna
By: Maria Victoria GonzagaIn the previous lesson, we learned about the high biodiversity of New Zealand and how... Read More
Carrying capacity
Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More
Decomposer
Decomposer Definition The organisms that carry out the process of decay or breakdown of the dead organism are known as... Read More
Generation
Generation 1. The act of generating or begetting; procreation, as of animals. 2. Origination by some process, mathematical,... Read More
