EVOLUTION
Strand 4
Evolution notes – All that you will need according to SAGS. Short and to the point.
Ben Borchers
, Trend in Physicality ....................................................................................................... 7
Contents
EVOLUTION ................................................................................................................... 2 Evolution in Present Times ................................................................................................ 7
Origin of idea about Origins .................................................................................................. 2
Lines of Evidence............................................................................................................... 2
Roles.................................................................................................................................. 2
Fundamental Aspects of Evolution ....................................................................................... 3
Macroevolution................................................................................................................. 3
Speciation ..................................................................................................................... 3
Cladograms / Phylogenetic Trees ................................................................................. 3
Darwin – Natural Selection ............................................................................................... 3
Formation of new species ..................................................................................................... 4
SPECIES VS POPULATION .................................................................................................. 4
NATURAL VARIATION CAUSES .......................................................................................... 4
Cross Breeding .................................................................................................................. 4
-vergence .......................................................................................................................... 4
Mechanism for Speciation ............................................................................................ 5
Reproductive Isolation .................................................................................................. 5
Hominid Studies .................................................................................................................... 6
Bases of Study ................................................................................................................... 6
Sequencing ........................................................................................................................ 6
Australopithecus ........................................................................................................... 6
Homoisapien ................................................................................................................. 6
Inventions ......................................................................................................................... 6
Human Spread .................................................................................................................. 6
Modern humans genetically closely related to each other & primates ........................ 6
Changes ............................................................................................................................. 7
Trend in Habits .............................................................................................................. 7
1|P a g e
Strand 4
Evolution notes – All that you will need according to SAGS. Short and to the point.
Ben Borchers
, Trend in Physicality ....................................................................................................... 7
Contents
EVOLUTION ................................................................................................................... 2 Evolution in Present Times ................................................................................................ 7
Origin of idea about Origins .................................................................................................. 2
Lines of Evidence............................................................................................................... 2
Roles.................................................................................................................................. 2
Fundamental Aspects of Evolution ....................................................................................... 3
Macroevolution................................................................................................................. 3
Speciation ..................................................................................................................... 3
Cladograms / Phylogenetic Trees ................................................................................. 3
Darwin – Natural Selection ............................................................................................... 3
Formation of new species ..................................................................................................... 4
SPECIES VS POPULATION .................................................................................................. 4
NATURAL VARIATION CAUSES .......................................................................................... 4
Cross Breeding .................................................................................................................. 4
-vergence .......................................................................................................................... 4
Mechanism for Speciation ............................................................................................ 5
Reproductive Isolation .................................................................................................. 5
Hominid Studies .................................................................................................................... 6
Bases of Study ................................................................................................................... 6
Sequencing ........................................................................................................................ 6
Australopithecus ........................................................................................................... 6
Homoisapien ................................................................................................................. 6
Inventions ......................................................................................................................... 6
Human Spread .................................................................................................................. 6
Modern humans genetically closely related to each other & primates ........................ 6
Changes ............................................................................................................................. 7
Trend in Habits .............................................................................................................. 7
1|P a g e
