Which does NOT describe primary succession? A. Decomposing organic matter forms soil
B. Presence of existing fertile soil
C. Long-term occurrence over extended time
D. Barren land once covered by glacier

Which represents a negative impact of technology

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above