. Photosynthesis has a huge impact on society and history. Which of the following are political impacts of photosynthesis? Select all that apply.

1 oxygen production
2 global warming
3 slash-and-burn agriculture
4 climate change
5 use of fossil fuels

Which entry is in the wrong position in the table?

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.

Adistinctive characteristic of mammals that is not observed in other vertebrates is