Unit 3 and 4 Marine Science

Identify which statement regarding coral core banding patterns is FALSE:

• Summer bands appear darker and denser

• Large, low-density bands occur during warmer winters

• Stress bands appear as slightly darker bands

• Cooler winters are seen as thin, low density bands

Identify the above reef.

• Barrier Reef

• Platform Reef

• Atoll

• Fringing Reef

Identify which statement correctly identifies the lifecycle of a typical hermatypic coral

• Gamete, Zygote, Planulae larvae, Polyp

• Zygote, Gamete, Planulae larvae, Polyp

• Gamete, Planulae larvae, Zygote, Polyp

• Zygote, Planulae larvae, Gamete, Polyp

Correctly identify the zones of the above reef.

• a) lagoon b) slope and c) crest

• a) slope b) lagoon and c) crest

• a) lagoon b) crest b) slope

• a) slope b) crest c) lagoon

Alcyonacea corals have polyps with;

• 12 tentacles

• 6 or multiples of 6 tentacles

• 8 or multiples of 8 tentacles

• 18 tentacles

The relationship between coral and zooxanthellae is best described as;

• mutualism

• commensalism

• parasitism

• amensalism

The map above shows what maritime boundaries in Australia;

• territorial sea

• contiguous zone

• continental shelf

• Australian fishing zone

An inshore reef near a highly populated area experienced increased levels of coastal runoff. The long-term reduction in coral cover experienced by the reef was most likely caused by an increased

• availability of light.

• population of macroalgae.

• frequency of coral disease.

• frequency of bleaching susceptibility.

Select the list of criteria used to design Australia’s marine protected areas.

• connectivity, fish population numbers

• connectivity, coverage and networking

• aesthetic value, fish population numbers

• aesthetic value, coverage and networking

Which abiotic factors have determined the distribution of corals over the past 6000 years?

• light availability, salinity

• light availability, suitable substrate

• average sea surface temperatures, salinity

• average sea surface temperatures, suitable substrate