Natural Selection Flashcards
(20 cards)
DNA
genetic instructions used in the growth, development, functioning and reproduction of all known living organisms
Nucleotide
basic structural unit of nucleic acids such as DNA.
Chargaff’s rule
This rule states that guanine is equal to cytosine and the amount of adenine is equal to thymine.
Watson and crick
people who discovered DNA
Rosalind Franklin
made contributions to the understanding of the molecular structures of DNA
Mutations
permanent alteration of the nucleotide sequence of the genome of an organism.
Adaptation
When an organism gets used to a new habitat
Species
a group of living organisms consisting of similar individuals
Evolution
the process by which different kinds of living organisms are thought to have developed
Fossils
bone from an organism that has been underground for a long time.
Fossil Record
to refer to the total number of fossils that have been discovered
Charles Darwin
came up with theory of natural selection
Trait
A characteristic
Selective Breeding
process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits
Natural Selection
the differential survival and reproduction of individuals due to differences in phenotype
Generation time
the period of time between the birth of one generation and the birth of the second generation
Speciation
the formation of new species as a result of evolution
Primates
mammal of the order Primates
Hominid
Great apes
Homo Sapiens
the binomial nomenclature for the only known extant human species
