58 results found

Search Results for: breed

Breed

Breed 1. A race or variety of men or other animals (or of plants), perpetuating its special or distinctive characteristics... Read More

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, PhD Thousands of years before Darwin proposed evolution by natural selection and... Read More

Purebred

Definition noun, plural: purebreds An animal that is of pure breed, i.e. whose ancestors on both sides have been members of... 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

Interbreed

Breed animals or plants using parents of different races and varieties; cross a horse and a donkey; Mendel tried... 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

Crossbreeding

Definition noun The act or process of producing offspring by mating purebred individuals of different breeds or... Read More

Race

Definition noun (1) A group or population of humans categorized on the basis of various sets of heritable characteristics... Read More

Phenotypic ratio

Phenotypic Ratio Definition How would one define phenotypic ratio? The correlation between the amount of offspring that... Read More

Brood

Brood 1. The young birds hatched at one time; a hatch; as, a brood of chicken. As a hen doth gather her brood under her... Read More

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Grade

Grade a harsh scraping or cutting; a grating. The grade of hatchets fiercely thrown. On wigwam log, and tree, and stone.... Read More

Arthropod

Arthropod Definition What is an arthropod? An arthropod is an invertebrate living organism characterized by the presence of... Read More

Don’t Read This, You Know It All Already – Why Farmers Should Care About Biodiversity

Don't Read This, You Know It All Already - Why Farmers Should Care About Biodiversity If you're a farmer maybe you... Read More

Chupacabra – One of the most frightening creatures of Cryptozoology

Chupacabra - One of the most frightening creatures of Cryptozoology The Chupacabra is one of the most recent creatures of... Read More

Decomposer

Decomposer Definition The organisms that carry out the process of decay or break down of the dead organism are known as... Read More

Tumblers

tumbler 1. One who tumbles; one who plays tricks by various motions of the body; an acrobat. 2. A movable obstruction in a... Read More

Alpaca

Definition noun, plural: alpaca or alpacas (1) A camelid with long, fine, wooly hair, and closely related to llama,... Read More

New Zealand’s Unique Fauna

By: Maria Victoria Gonzaga In the previous lesson, we learned about the high biodiversity of New Zealand and how... Read More

New Zealand’s Biodiversity

Written by: Maria Victoria Gonzaga Peer-reviewed by: Cathy Buntting, Ph.D. and Andrea Soanes Why is New... 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

Backcross

Definition verb To cross a hybrid (i.e. offspring of the F1 generation) with its parent noun (1) The offspring produced... Read More

Hypomelanism

Definition noun A condition in which there is a partial lack of the melanin, thus, a reduced... 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

Carrying capacity

Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... 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

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

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

Domestic cat

Definition noun, plural: domestic cats A small domesticated Felis species, e.g. F. domestica or F. catus Supplement The... 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

Law of Segregation

Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that were initially... Read More

Gene transfer

Definition noun, plural: gene transfers The transfer of genes between organisms Supplement Gene transfer pertains to the... Read More

Half blood

The term half blood is used to describe the relation between individuals that share descent from only one parent. In humans,... Read More

Stock

stock group of organisms (all of the same species) that is genetically self-sustaining and isolated geographically or... Read More

Sex and the Single Soybean – A Biodiversity Love Story

Millions of years after their ancestors parted company on the northern shores of Australia, two world-roaming plants have... Read More

No Chokky for Your Kids? – Why You Should Care About Biodiversity

No Chokky for Your Kids? - Why You Should Care About Biodiversity Imagine a world without chocolate. It could happen. It's... Read More

Dung-Eating Koala Moth Named After CSIRO Head in Honour of Biodiversity Efforts

Dung-Eating Koala Moth Named After CSIRO Head in Honour of Biodiversity Efforts The CSIRO's chief executive Dr John Stocker... 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,... Read More

Pointer

pointer One who, or that which, points. Specifically: The hand of a timepiece. (Science: zoology) One of a breed of dogs... Read More