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Echinoderms

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PRESENTATION OUTLINE

1.

ECHINODERMS

BY. RACHAEL B., BRENNAN K.
Photo by Peewubblewoo
2.

REPRODUCTION

  • Starfish reproduce by releasing sperm and eggs into the water,the eggs and sperm soon turn into adult starfish.
Photo by Keith Roper
3.

TYPES OF STARFISH(MAJOR GROUP)

  • Forcipolatda
  • Brisingida
  • Paxillosida
  • Solasteridae
  • Valvatida
  • Choriaster
  • Notomyotida
  • Grandulates
Photo by gordon.milligan
4.

BODY STRUCTURE

  • Starfish are marine invertebrates.
  • The aboral or top part of the starfish are smooth
  • Starfish are equipped with a leathery, ragged skin
Photo by Photos_by_Angela
5.

OXYGEN AND FOOD

  • Starfish eat mollusks
  • Clams
  • Oysters
  • Sand dollars
  • Mussels
Photo by dickdotcom
6.

SPECIAL ADAPTATIONS

  • Star fish aren’t actually fish
  • Starfish can regrow any of there limbs
  • It can take up to a year to regrow a limb
  • Starfish don’t have blood
Photo by georgeparrilla

Rachael Brown