Native mammals found in australia are marsupials. there are no naturally occurring placental mammals, which suggests that australia broke away before placental mammals evolved. which geological theory explains this phenomenon?

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

The pronunciation aid that determines the stress placed upon a syllable is the

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