answersLogoWhite

0

Biology

User Avatar

Karen Luettgen

Lvl 10
3y ago
No Reviews
Leave the first rating

Rate this Study Guide:

Cards in this guide (9)
How does reproductive isolation increase diversity

it stops gene flow

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

hominids

Which of these is an example of an extinction that has been witnessed by humans

dodo bird

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

directonal

SELECTION

Which form of natural selection is shown on this graph comprehensive bio

Disruptive

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

Related study guides