naturel selection Flashcards
DNA
the fundamental and distinctive characteristics or qualities of someone or something, especially when regarded as unchangeable.
nucleotide
a compound consisting of a nucleoside linked to a phosphate group. Nucleotides form the basic structural unit of nucleic acids such as DNA.
Chargaff’s Rules
Chargaff’s rules state that DNA from any cell of any organisms should have a 1:1 ratio of pyrimidine and purine bases
Watson and Crick
Francis Harry Compton Crick OM FRS (8 June 1916 – 28 July 2004) was a British molecular biologist, biophysicist, and neuroscientist
Rosalind Franklin
Rosalind Elsie Franklin was an English chemist and X-ray crystallographer who made contributions to the understanding of the molecular structures of DNA, RNA, viruses,
Mutations
the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations
Adaptation
the action or process of adapting or being adapted.
Species
a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
Evolution
Evolution is change in the heritable characteristics of biological populations over successive generations
Fossils
the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock
fossil record
Fossil record, history of life as documented by fossils, the remains or imprints of the organisms from earlier geological periods preserved in sedimentary rock.
Charles Darwin
Charles Robert Darwin, FRS FRGS FLS FZS was an English naturalist, geologist and biologist, best known for his contributions to the science of evolution
Trait
a distinguishing quality or characteristic, typically one belonging to a person
Selective Breeding
Selective breeding, also known as artificial selection, is a process used by humans to develop new organisms with desirable characteristics
Natural Selection
the process whereby organisms better adapted to their environment tend to survive and produce more offspring
