Question

The _____ theory is an evolutionary concept that suggests that behaviors that help an organism survive are passed on while weak behaviors are lost.

Answer 1

the answer is the genetic drift theory, hope I could help :)

Answer 2

In population genetics, Gene Flow (also known as gene migration) is the transfer of alleles or genes from one population to another. Migration into or out of a population may be responsible for a marked change in allele frequencies (the proportion of members carrying a particular variant of a gene).

Its genetic flow hope it helped