Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Ask your questions and receive precise answers from experienced professionals across different disciplines. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

Which of the following has been proposed as a possible cause for the Cambrian explosion?
a) Meteorite impact
b) Changes in HOX genes
c) Development of soft parts
d) Change in the salinity of the ocean
e) None of the above