As you washt things with them, they collect the bacteria from what you wash. This can be gross so alot of people say to put it in the microwave to rid of the bacteria
Sponges retain moisture and become a breeding ground for bacteria. Studies have shown that a kitchen sponge can be more than 200,000 times dirtier than a toilet brush.
Some things that prey on sponges are sea turtles, crustaceans, fish, and echinoderms. Sponges move so slow that they cannot avoid being eaten.
clean things
Yes, all sponges are living things. Sea sponges are living things. Bathroom sponges have been dead dried and cut into shape
they taste bad
porifera are also called sponges some of the sponges are euplectelia spongilla and sycon
Sea sponges smell and taste bad so that they don't get eaten by most fish
Glass sponges
Some bad things is they use human sacrifice so be careful
Some things that are bad that start with A are:accidentsacid refluxadulteryallergiesArsenicArsonasthmaassaultaudit, IRSavalanche
I don't know, why don't you ask wiki answers, is a very bad answer and does not answer his question at all. Here is a better answer: All sponges have toxic substances inside of their bodies to discourage preditors to not attack them.
Most sponges are marine, but there are some freshwater varieties