The population of fish would decrease and maybe lead the population of sea lions to decrease depending on how rapid the decrease is:)
Nucleus, ribosomes, endoplasmic reticulum, and <span>Golgi apparatus.</span>
If I'm not mistaken, it leaves through the osculum which is a cavity located on the upper part of a sponge.
Sponges feed through a process called filtration, which means that they filter the water in search of nutrients. And after they collect everything they need from the water, they need to let it out somehow; through the osculum.
Hope it helped,
BioTeacher101