Answer:
The answer to your question is:
Step-by-step explanation:
Plants and algae: the are also called autothrophs or primary producers, they create their own food using photosynthesis.
Primary comsumers: herbivores belong to this level. To this level belong animals that only eat plants or algae.
Secondary consumers: to this level belong animals that eat other animals
Tertiary consumers: to this level belongs carnivores and omnivores which are animals that eat plants and other animals.
Apex predators: they eay herbivores and carnivores in the forth level. In this level we find lions. alligators, bears, etc.