Answer:
Phylum arthropoda includes animal which lack tissues. Arthropoda is termed as a proposed grouping of arthropods.
Letter C, the third option.
Explanation
Upwelling is a process in which cold water from depths arise to the surface,
it's important because :
- It bring a lot of nutrients to the surface of the ocean
- It maintain the temperature of the ocean
hope this helps
atom, molecule, cells, tissues, organ, organ system, organism