Answer:
Trees create their own food.
Explanation:
Trees like many other plants use photosynthesis to make or "produce" their own food using carbon dyoxide, water, and energy from the sun. This then creates glucose, their own food.
 
        
             
        
        
        
Pollen....because cones are absent in angiosperms.....flowers are absent in gymno....and seeds are also absent in gymno sperm........so and is pollen !