Class Anthozoa and Phylum Ctenophora Hook What are some problems coral reefs are having




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Class Anthozoa and Phylum Ctenophora

Hook

What are some problems coral reefs are having.

Anthozoa(___________________)




  • ___________________and ___________________

  • Only polyps

  • No ___________________




  • ___________________or ___________________




  • ______________________________________subdivided by partitions(walls)

  • marine


Coral

A colony of ___________________that secrete a ___________________.


  • Millions of ______________________________________produce reefs

  • .

  • The ___________________can be seen from space

  • Healthy coral is golden-brown due to the ______________________________




  • Zooxanthellae – symbiotic ______________________________________

  • black band disease

  • The black line marks the ___________________ (Phormidium corallyticum) that kills ___________________

  • Wide branches are ___________________, catching the sunlight for the zooxanthellae in the coral tissues










Phylum Ctenophora

Comb-Jellies

Characteristics

  • ___________________species

  • Comb plates

Longitudinally ______________________________________




  • No ___________________




  • ______________________________________in sheath

  • Radial symmetry

  • 2 tissue layers ______________________________________




  • Glue cells on tentacles - ___________________




  • Statocysts - ___________________




  • Bioluminescent



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