What parts of the animal do you think were removed to make bath sponges a marketable product?

The natural sponges we use in our baths are actually animal skeletons. Bath sponges consist of a highly porous network of fibres made from a collagen protein called spongin. The skeletons are obtained by cutting the growing sponges and soaking the cut portions in water until the flesh rots away. The exposed network of spongin fibres is cleaned and bleached. In recent years New Zealand scientists have investigated the possibility of farming a native species of bath sponge, Spongia manipulatus, for commercial production. Sea sponges have been over-harvested from the major sponge-gathering areas around the Mediterranean, Caribbean and Florida coasts, but demand remains high. Pictured here are two New Zealand bath sponge skeletons, bleached and unbleached.

Explanation:

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

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