However, Lenton and colleagues argue that sponges’ feeding habits may have resulted in their contribution to the amount of oxygen in the ocean because they help to regulate the amount of oxygen in the ocean. It transports oxygen via simple diffusion from the seawater to the sponge cells. Microorganisms and tiny particles are collected from the water as they pass through the channels and chambers within the sponge. Water exits through larger pores, which are known as excurrent pores. In the 1800s, marine sponges were used for personal hygiene, house and car cleaning, medical surgery, pottery glaze, and cleaning industrial machinery, as well as for glaze pottery. When a sponge is placed in a habitat, it filters out excess energy, mass, and nutrients, and it transports those nutrients through filtration and nutrient cycling. The first sponge was made around 800 million years ago in the Pre-Cambrian Ocean. Scientists from the University of British Columbia and Florida International University studied sponges that were collected from local waters. The oxygen supply of these animals, like that of fish, is required for growth. The oldest living multicellular animal on Earth is a sponge. As the water moves through the body, the sponge absorbs oxygen from the water and expels carbon dioxide. The water is taken in through tiny pores in the body and then pushed out through larger pores. Sponges are animals that live in water and have the ability to filter large amounts of water.
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