Coral reefs and lagoons

Question 1

Ahermatipic

Answer 1

soft corals that do not build reefs

Question 2

Hermatypic

Answer 2

hard corals capable of reef building-building

Question 3

zooxanthellae

Answer 3

symbiotic, photosynthetic dinoflagellates living within the tissues of many invertebrates

Question 4

Coral Bleaching

Answer 4

the loss of symbiotic algae form the tissues of corals as a result of environmental factors

Question 5

Fringing Reef

Answer 5

a reef close to and surrounding newer volcanic islands or that borders continental landmasses

Question 6

Barrier Reef

Answer 6

a reef separated by a lagoon from the land mass with which it is associated

Question 7

Atoll

Answer 7

a coral reef somewhat circular in shape with a central lagoon

Question 8

Patch Reef

Answer 8

Small, isolated reef usually located within the lagoon of a barrier reef

Question 9

Reef erosion

Answer 9

the gradual wearing of a coral reef by the action of living organisms (bio erosion) and physical factors such as storms

Question 10

Climate Change

Answer 10

changes in global or regional climate patters, especially changes that have been seen since the late 20th century

Question 11

Anchorage

Answer 11

[boats] the portion of a harbor or estuary used for ships to anchor
[organisms] location on a substrate where a sessile organism attaches and lives

Question 12

Artificial Reef

Answer 12

an artificial underwater structure built to mimic the characteristics of a natural reef

Question 13

Radiocarbon dating

Answer 13

a process used to estimate the age of organic material by measuring the radioactivity of its carob content (also called carbon dating)

Question 14

Subsidence

Answer 14

sinking of land