primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs
Answer from: Quest
d.embryo is the correct one
Answer from: Quest
Ithink the answer is b, demographic transition theory.
Answer from: Quest
your awnser is a.gap junctions
Another question on Biology
Biology, 21.06.2019 18:10
What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.