Tools use by early Hominids up to Homo Sapiens by Keygan Lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32 en-us 2017-06-09 18:37:12 UTC 2025-09-26 10:10:16 UTC hello@padlet.com The arrowhead keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176145964 Early Homo Sapiens
used this to defend them self's as well as to hunt. The first  recorded arrowhead was made 2,500,000 years ago, during the stone age.
Some of the arrowheads that they have found were not even arrowheads. In fact they were used as knifes as well as spears too.

]]> 2017-06-12 18:33:19 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176145964 Molecular Evolution keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176298768 It is the process of change in the sequence of cellular molecules such as DNA, RNA, and the proteins across many generations]]> 2017-06-13 18:33:40 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176298768 Ontogeny Recapitulates Phylogeny keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176299559 The theory of recapitulation, also called the biogenetic law often expressed using Ernst Haeckel's phrase "ontogeny recapitulates phylogeny." It is a largely discredited biological hypothesis that the developed embryo of an animal. From fertilization to hatching ]]> 2017-06-13 18:37:28 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176299559 Vestigial Organs keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176300961 These included the muscles of the ear, wisdom teeth, the appendix, the tail bone, body hair, and the semilunar fold in the corner of the eye.]]> 2017-06-13 18:43:39 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176300961 Keygan Lasniewski keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176342498 Period 4
Mrs. Nickerson]]> 2017-06-14 03:04:42 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176342498 Homologous Structures keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176342614 It is a homologous structure which is an organ or bone that appears in different animals]]> 2017-06-14 03:06:25 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176342614 Genetic Drift keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176342755 It is a variation in the relative frequency of different genotypes in small populations.]]> 2017-06-14 03:08:54 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176342755 Sexual Selection keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176342904 A natural selection arising through preference by one's sex and over all characteristics.]]> 2017-06-14 03:11:21 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176342904 Divergent, Parallel and Convergent Evolution keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176343170 The factors such as  environmental and predation pressures can have different effects on the way a species evolves. ]]> 2017-06-14 03:15:00 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176343170 Migration keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176343439 The movement of one part of something to another part.]]> 2017-06-14 03:19:25 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176343439 Gene flow keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176343635 Gene flow is a mechanism that transfers genetic diversity among many populations.]]> 2017-06-14 03:22:00 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176343635 Mutation keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176343958 The change of a structure in a gene, resulting in a variant form that may be transmitted to subsequent generations, caused by an single DNA strand. ]]> 2017-06-14 03:25:33 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176343958 Natural selection keygan_lasniewski https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176344310 Natural selection is the different survival and reproduction of individuals due to a phenotype  difference. This is a key part in evolution.]]> 2017-06-14 03:30:03 UTC https://padlet.com/keygan_lasniewski/lvwz9yjd2u32/wish/176344310