Question

______ is the only effective way invertebrates fight disease. Phagocytosis; Excretion; Lysozyme

Answer 1

I believe the answer to this is Lysozyme

Answer 2

Hello  Lillyandkatelyn


Answer: Excretion is the only effective way invertebrates fight disease.

Reason: Invertebrates only have the capacity to excrete and cleanse their body of harmful materials and germs.

Hope This Helps
-Chris