Poriferians can't move for the most part. Earthworms area ble to move by wiggling and pulling their body forward and utilizing the soil int he mobvement.
Porifera are the pore bearing multicellular organisms. Earthworms belong to annelida. Earthworm crawling movement is caused by the action of muscles in the body wall. Its lengthen and shorten the body in wavelike motions. They are capable of creeping along substrata via organizational plasticity.
Earthworms are monoecious or hermaphrodites which contain both male and female reproductive organs, they reproduce cross -fertilization. Poriferans reproduce asexually and sexually ,by hermaphroditic and produce eggs and sperm at different times.
To learn more about multicellular organisms here
https://brainly.com/question/24381583
#SPJ4
