Question: The phylum porifera consists of sponges which are essentially colonies of flagellated cells. Which of the following is a characteristic of the phylum
A)
C) spicules
Question: The jellyfish in Lake Palau do not have stinging cells even though they are cnidarians. This is because they don't need stinging cells. The reason why they don't need them is:
A) They have brown algae in their tissues that provide them with food.
B) They feed on large prey that are immune to the stings and their venom anyway
C) Their large size makes them extremely intimidating to any potential enemies