1.Annelida consists of a hydrostatic skeleton whereas Arthropoda consists of an exoskeleton made up of chitin.
2.They are sessile and sedentary and grow like plants. They contain pores called ostia and osculum.
Hey... Sorry I know only these two.
Answer:
nice
Explanation:
Ambiguous
The answer is option C
. As the lightning flashed and the thunder roared, Patches cowered in the corner of the room.