Cards in this guide (9)
How does reproductive isolation increase diversity
What causes many endangered species that are now found only in zoos to have very little genetic variations
Low genetic variations cause genetic bottleneck.
What is the most likely cause of directional selection
Homozygotes for one allele are favored over all others.
According to evolutionary theory what was the most likely evolutionary precursor to humans
Which of these is an example of an extinction that has been witnessed by humans
Over a few million years in Africa droughts have often caused grasses and shrubs to die some years while tall trees survived Because of this giraffes with very long necks could feed in the trees w
Which form of natural selection is shown on this graph comprehensive bio
What of these is not a reason that species become extinct
Which of these is not a reason that species become extinct
Which of these is an example of macroevolution
Birds are thought to be direct descendents of reptiles