What makes an organism a living thing? How do you tell if something is alive? Tell me what characteristics, traits, and other features makes an organism a living thing. You must use complete sentences including punctuation.

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

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight