Fact 1: Adult sponges produce eggs and sperm.

Fact 2: Sponges are the most primitive multicellular animals.

Given the two facts above, answer the question "The most primitive multi-cellular animals produce what?" with the following options: 
- Electrical energy
 - eggs and sperm
 - harmful substances
 - scarce resources
 - Organic compounds
 - Chemical energy
 - fur and fat
 - aerobic capacity


 

  eggs and sperm       