Answer:
All the plants are autotrophic because they can prepare their own food using photosynthesis.
Step-by-step explanation:
Animals & fungi are not autotrophic because they can not perform photosynthesis. In order to perform photosynthesis they should contain photosynthetic pigment i.e. chlorophyll. These are absent in animals & fungi. Apart from this animals & fungi have reserve food materials in the form of glycogen on the other hand plants stores the food in the form of starch. Animals & fungi lacks chloroplast.