What is the difference between a monohybrid cross and a dihybrid cross?

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

How is the carbon cycle related to global warming ?

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.