Speciation occurs during the evolutionary development, or phylogeny, of a species. In which of the following situations can speciation occur?

Ais a group of individuals of the same that exist together in the same place at the same time

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere