Q:

How does a sponge get oxygen and food?

A:

Sponges continually pump water through the ostea into an internal system of canals and expel it from the osculum, trapping food and removing oxygen from the water. They use collar cells in these canals to flip flagella, creating the pumping action that forces the water through their structure and trapping tiny bits of food.

Know More

Full Answer

The Ocean Research Group says sponges are filter feeders that can consume particles as small as bacteria as well as much larger ones. They consist of an outer layer of flat epithelial cells, a middle gelatinous layer with cells that are able to migrate throughout the layer, and an inner layer containing the flagellated and collar cells.

Sponges, once thought to be plants, are animals and require oxygen to live. They transfer waste, including carbon dioxide, to the water as it passes through the canals as a part of their respiration process.

Reference.com reports there are more than 4,500 known species of sponges, all marine, with the exception of one family of freshwater sponges. They prefer shallow, temperate water, where most sponges attach themselves to rocks and live the remainder of their lives. Freestanding sponges, such as the barrel sponge, grow large enough to fit a human inside.

Learn more in Biology

Related Questions

  • Q:

    Which process uses oxygen in plants, algae and animals?

    A:

    The process that uses oxygen in plants, algae and animals is cellular respiration. In this process, oxygen is used to decompose glucose into energy that is used for energy, growth and other metabolic processes. Aside from energy, this process also results in the creation of carbon dioxide and water.

    Full Answer >
    Filed Under:
  • Q:

    How do unicellular organisms breathe?

    A:

    Unicellular organisms do not breathe in the typical sense, but they respirate by allowing oxygen to enter the cell membrane through the process of diffusion. Because they are so small, they do not have the organs, pores and entryways to breathe like multicellular organisms.

    Full Answer >
    Filed Under:
  • Q:

    What is artificial eutrophication?

    A:

    Artificial eutrophication is where manmade or caused elements are added to water causing reactions like a decrease in oxygen or an increase in plankton. These reactions can be caused by materials in fertilizers, clear cutting of forest and detergents. Even the process of water treatment can ultimately cause eutrophication.

    Full Answer >
    Filed Under:
  • Q:

    What is the role of protists?

    A:

    The roles of protists include producing and using energy, recycling living systems into constituent nutrients, acting as biological control agents, synthesizing oxygen, and engaging in symbiotic relationships. Protists have commercial roles in the pharmacological, agricultural and biomedical research industries.

    Full Answer >
    Filed Under:

Explore