The Stone Age Flashcards
The written record of what has happened in the past.
History
About or around
Circa
eyewitness/first hand account and is created during the time of study.
primary source
are records based on primary sources.
secondary sources
train plants and animals to be useful to people
domesticate
an extra supply of something
surplus
people training to do one particular type of work
specialization
The way people manage money and resources for the production of goods and services.
Economy
Divisions within a society and culture.
Social Structure
A different form or version of a gene - alleles usually occur in pairs.
Allele
A gene variant that is expressed more strongly than other versions of the same gene - the dominant allele masks the effect of the recessive allele.
Dominant
A gene that is masked by a dominant gene, and is only expressed when two copies of the gene are present.
Recessive
The genetic make up or code of an organism.
Genotype
The observable traits or physical appearance of an organism.
Phenotype