Based on your current actions how many pounds of CO2 omissions do you avoid each year ? If you take the additional actions that you said you would in the quiz, how many additional pounds of CO2 emissions could you avoid per year?

Excretion is the only effective way invertebrates fight disease. Unlike vertebrates who have immune systems that work daily to fight off bacteria or other harmful organisms, invertebrates only have the capacity to excrete and cleanse their body of harmful materials.