EXPLORING THE DIVERSITY OF LIFE Phylum Echinodermata PRESENTED BY: Ea.
Echinodermata Echinoderms are a diverse group of marine animals characterized by their spiny skin, radial symmetry, and unique water vascular system..
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The Four main classess of phylum echinodermata ARE;.
Asteroidea Sea stars have a central disc and multiple arms, are predators using tube feet to pry open prey like mollusks, and some species can regenerate lost arms..
Ophuiroidea Brittle stars have a central disc and long, flexible arms, are scavengers or detritivores, and are known for rapid and agile movements..
Echinoidea Crinoids have cup-shaped bodies attached to a stalk or mobile base, are suspension feeders capturing plankton with feathery arms, and are ancient creatures with a long fossil record..
Holothuroida Sea cucumbers have elongated, worm-like bodies with soft skin, are detritivores feeding on organic matter and sediment, and some species expel internal organs as a defense mechanism..
Echinoderms are primarily marine organisms, inhabiting diverse environments. Features and characteristics:.
ENDOSKELETON.
Water vascular system.
Regeneration.
Spiny skin.
Reproductive strategies.
Broadcast Spawning.
Free Swimming Larvae.
Pedicellarie And Tube Feet.
Internal Brooding.
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