What is the difference in the beginning between primary succession and secondary succession
a) secondary succession has water
b) secretary succession has soil
c) primary succession has soil
d) primary succession has water

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Pl which diagram illustrates prophase?

Which anatomical plane is the only one that could not show both the sternal region and vertebral region