From the following, select all that would be considered CONS of monoculture. decrease use of pesticides

easier to manage farms

soil degradation

increase use of fertilizers

decrease in biodiversity

increase in productivity

specialized production

chemical use affects bacteria and pollinators

b. the carbon cycle ensures living things have a source of hydrogen

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.