define biological evolution
occurs through our genes, can be passed on genetically and therefore occurs at a slow rate
define cultural evolution
non-genetic passing on of information through teaching of ideas, songs and cultures. can not be passed on genetically therefore occurs at a slow rate
which species used oldowan tools?
homo habilis
which species used acheulian tools?
homo erectus
which species used mousterian tools?
homo neanderthalensis
which species used upper paleolithic tools?
homo sapiens
describe the differnce between quadreped and biped
quadrepeds use 4 limbs and bipeds use only the rear 2
the scientifc name for “lucy”
australopithecus afarensis
what is mtDN
mitochondrial DNA which is only passed onto the daughters
why can Y chromosome be used to show patterns of evolution?
because it is passed on only to sons and isn’t affected by recombination
what is a mutation?
a permanent chnage to the DNA base sequence, leading to genetic variation