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method in which food particles are filtered from water as it passes by or through some part of the organism
an organism that has both male and female reproductive organs
the process by which the female lays eggs and the male fertilizes them once they are outside of the female
Process in which eggs are fertilized inside the female's body
the phylum that contains sponges, the most simple animals
type of digestion used by simple invertebrates that breaks down food inside the cell
asexual reproduction in which a part of the parent organism pinches off and forms a new organism
produced when sponges are facing tough living conditions. these can survive freezing temperatures and drought