If an organism does not have its own means of locomotion and it produces its own food out of inorganic materials through the photosynthesis process, it is
a. a plant
b. an animal
c. either a plant or animal

The answer is A plant 
a living organism of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses, typically growing in a permanent site, absorbing water and inorganic substances through its roots, and synthesizing nutrients in its leaves by photosynthesis using the green pigment chlorophyll.