All living organisms interact with their environment to obtain the energy necessary for life. How do the following types of organisms do this: a) Autotrophs - Photosynthesis; Heterotrophs - Cellular respiration b) Autotrophs - Cellular respiration; Heterotrophs - Photosynthesis c) Autotrophs - Chemotaxis; Heterotrophs - Osmosis d) Autotrophs - Fermentation; Heterotrophs - Glycolysis