Explanation:
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
The answer to this question would be: (4)carnivoresFood made by autotrophs which makes them placed first in food webs as they produce food. After that, the herbivore can digest the food made by autotroph, makes them places as the first consumer. Carnivores is the organism that eats meat, makes them the last consumer.