The red tailed hawk feeds on

Since the kit fox gets energy from feeding on the jackrabbit and kangaroo rat, we know that it must be a

Since the desert tortoise only eats the prickly pear cactus and yucca plants, we know that it must be a

Two decomposers that breaks down scorpion after it is dead are

The grasshopper plays a major role in this desert food web, where does it get its energy from?

What is the energy source that starts this entire food web?