Darwin focused on studying specific species on the galapagos islands and other places and observed

the genetic makeup of the individual species
that fossils tell us about the past
similar species in different areas with unique traits
how individuals grow in numbers

you go to account and hit delete!

explanation:

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

. the sierra madre fault zone of southern california

. the san andreas fault california