Match the following terms and definitions. 1. the testing of a hypothesis in duplicate with only one factor being different hypothesis 2. an assumed explanation for a problem scientific method 3. a recognized means of inquiry to provide scientific answers to questions controlled experiment 4. supported by evidence gathered over a period of time theory

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

What are the characteristics of subsystem

Based on the data in the graphs do you think pepsin and trypsin are found in the same part of the body? explain your answer.