Overall : The squid is a simple creature, it can be symmetrical or asymmetrical. They can be sexual or asexual. They reproduce by releasing sperm into the water. They have a fragile skeleton made of spicules, these can also take in light.
Ecology: Sponges generally exist in coral reefs or on rocky shores. Their shape and color depends on the environmental conditions. Generally, they are immobile, but some have been seen to move about 5mm day. They are ideal for marine animals because they rarely move and they cannot attack. The sponge can give a fish a place to live, and the fish can give them food.They receive the light through the water. to grow they need energy, and because they rarely get any from hunting they need other resources for nutrition.