Why is diffusion important to cells a. it permits the sorting of water molecules from solution molecules, such as sugar b. it regulates salt content in the cell, preventing bloating and shriveling. c. it maintain the balance of materials needed for survival. such as oxygen and water d. the back and forth movement creates extra energy as adp is transformed into atp.

Regarding most of the narrator’s story, which word best describes the tone?

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

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.