Sponges

Phyla- Porifera

Sponges

  • Asymmetrical symmetry
  • One body cavity- osculum
  • One digestive opening- pores
  • Reproduction System- egg, sperm, and budding
  • Support (skeletal) system- spicules
  • Habitat- marine

Benefits and Harm of sponges to humans

Benefits

  • Used to clean babies because are very gentle on their new delicate skin
  • A chemical found in some sponges are used in anti-cancer and anti-viral medicine.

Harm

  • Some sponges are very toxic to humans.

Benefits and harm to environment

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Benefits

  • Shelter to many marine life
  • Help the water quality

Harm

  • Can overpopulate and harm other species by taking up their space
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