Read the passage "A Food Chain on TV" in the box below.
A FOOD CHAIN ON TV
While watching a nature program on TV about animals in an African savanna, Sydney realized that she was seeing a food chain in action. She saw some zebras eating grass and shrubs, and then she saw cheetahs eating other zebras.
If Sydney were to draw a food chain for the environment on the nature program, to which living thing should the last arrow point?
a
cheetah
b
grass
c
zebra
d
shrubs