Fact 1: Grasses supply most of the food consumed by people worldwide.

Fact 2: Grasses are an important source of food for people as well as animals.

Given the two facts above, answer the question "What relies on grass as a food source?" with the following options: 
- Bacteria
 - Soil
 - humans
 - More grass
 - perennials
 - alpacas
 - Animals
 - tortoises


 

       Animals  