Fact 1: Chloroplasts contain the green pigment chlorophyll.

Fact 2: Animals lack chloroplasts.

Given the two facts above, answer the question "what do animals lack?" with the following options: 
- Bodily water
 - hair
 - skin cells
 - fur and fat
 - chlorophyll
 - lungs
 - Chemical energy
 - sensory neurons


 

     chlorophyll    