1. Compare What phase of the glassmaking process used by humans corresponds to the lightning strike through sand that produces fulgurite?
2. Distinguish What causes the elastic skins that form on the interior and exterior
of the blob of molten glass at the beginning of the glassblowing process?

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.

Which of these outcomes is a negative impact of postindustrial societies on the environment? a. nomadic ways b. overpopulation c. overgrazing d. resource renewal

In what locations does this text suggest you might find zooflagellates living? fresh water lakes on the surface of leaves inside other organisms on damp forest floors