Which of the following is not an ecosystem service? A. decomposition B. seed banks C. pollination D. maintenance of soil fertility E. prevention of soil erosion

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

Select the word from the list that best fits the definition a system made of 25 satellites

20 the main source of energy for our planet comes from the