Including the arthropods (e.g., insects, crabs), mollusks (clams, snails), annelid worms
including those of the phyla Echinodermata (e.g., starfish, sea urchins), Chordata (e.g., sea squirts, lancelets, and vertebrates), Chaetognatha (e.g., arrowwo
Answer:
rly
Explanation:
the components required for PS are you guessed it
P AND S
Cells regulate uptake nutrients and messenger cargos hope this answered the question
