Two identical dna
molecules are produce
a dna molecule + the two strands of → molecular bases
untwists.
dna separate. pair up.
5. which nuclear process is represented above?
a. recombination
b. replication
c. fertilization
d. mutation

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.