Tentacles with - stinging cells Epidermal tissue Mouth Digestive cavity Interior partition Symbiotic zooxanthellae Mesenteric filaments Layers of calcium carbonate forming a skeleton 6 Anatomy of a reef coral polyp, with enlarged detail showing a cross section of the outer covering and tissue. The symbiotic photosyn- thetic zooxanthellae are crucial to the survival of this type of coral. Close-up of hermatypic coral, showing expanded polyps. Figure 15.6 Coral animals, a form of cnidarian. Coral colonies can be composed of hundreds or even thousands of individual polyps, which may eventually build entire reefs. Jolanta Wojcicka/Shutterstock.com Pat Mason 8989

Q: How Dinoflagellates cause red tides?

A: Red tides are result of increase in population of Dinoflagellate in such a huge amount that it leads…

Q: Coral reefs generally are limited in geographic distribution to shallow marine waters. How do you…

A: Coral reefs are large underwater structures, and they are composed of the skeletons of colonial…

Q: diatom

A: In nutrient deficiency, diatom secreted oxylipins. These molecule act as an signal which allows  to…

Q: What are the characteristics of protozoans that make them resemble animals?

A: Protozoa are unicellular eukaryotic organisms. They are classified in the Protista kingdom along…

Q: What would happen to freshwater unicellular organisms if suddenly released in a saltwater…

A: Some of the unicellular organisms found in fresh water( ponds, rivers, streams) are  ameoba,…

Q: Ciguatera fish poisoning comes via shellfishes OR fish that eat seaweed.  How do they acquire the…

A: Ciguatera Fish Poisoning is the most common seafood illness reported in travellers.

Q: Discuss the structure of coral reefs.

A: The largest coral system is the Great Barrier Reef has rich biodiversity including all types of…

Q: Why are termites essential members of communities in nature? How do they alter habitats?

A: Termites are eusocial insects, which are believed to have evolved from cockroaches. They are also…

Q: What is the role of a cyst in protozoan reproduction?

A: Cyst have a thick cell wall that helps in the survival,in harsh environments.

Q: How have protozoan adapted to deal with the absence of cell wall?

A: protozoans are microbes which are eukaryotic and mostly found in moist environmnet .  the cell wall…

Q: If you had minimal resources to survive a disease related quarantine, as we’re currently…

A: Quarantine is the isolation of individuals that have arrived from an infectious disease affected…

Q: ince diatoms are autotrophs and dinoflagellates are mixotrophs, how might this affect the…

A: Autotrophic organisms are those which undergo photosynthesis and heterotrophic organisms are those…

Q: How are pseudopods formed in order to phagocytose particles or bacteria?

A: Cells are regarded as the simplest unit (structural and functional) of life. Cellular membrane,…

Q: What is an example of a flagellated protozoan?

A: Protozoans are single-celled heterotrophic eukaryotic organism. They  belong to kingdom Protista.

Q: Which is the form of protozoan reproduction that generates more variability?

A: The reproduction in protozoa can be either asexual or sexual. The most common form of asexual…

Q: The maroon clownfish can't meet all of its survival needs without the Bubble tip anemone.what…

A: The maroon clownfish can't meet all of it's survival needs without the bubble tip anemone as…