Which phenomena release CO2 into the atmosphere? forest fires
decomposition of organic matter
reforestation
photosynthesis
volcanic eruptions
(Select ALL the correct answers)

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.