Term
| What benefits do cnidarians have from their symbiotic relationship with Zooxanthellae in tropical coral reefs? |
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Definition
-Sustain coral metabolism
-Growth
-reproduction
-Survival
-Nutrient recycling |
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|
Term
| What benefits do Zooxanthellae have from their symbiotic relationship with cnidarians in tropical coral reefs? |
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Definition
- Access to waste products
- A stable position in the water column for accessing downwellings of light
- increased protection from grazers |
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Term
| What is the name of reef building corals? |
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Definition
|
|
Term
| What is the name of none reef building corals |
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Definition
|
|
Term
| What do Hermatypic corals contain which ahermatypic corals do not? |
|
Definition
|
|
Term
| Where do you find hermatypic corals? |
|
Definition
| Warm, shallow, clear water |
|
|
Term
| Where do you find ahermatypic corals |
|
Definition
| They occur in cold, deep waters |
|
|
Term
| Name 2 characteristics of massive hermatypic corals? |
|
Definition
| mound shape, slow growing |
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|
Term
| Name 3 characteristics of branching hermatypic corals? |
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Definition
| tree, elkhorn, rapid growth |
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|
Term
| how many g of C do corals reefs fix per meter squared per year |
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Definition
|
|
Term
| What does the word Anthozoa mean |
|
Definition
|
|
Term
| What Order do the hard corals belong to? |
|
Definition
| Scleractnia (Hexacoralian) |
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|
Term
| What are the Biogenic features of Scleractnia (Hexacoralian) |
|
Definition
o Constructional
o Wave resistant |
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|
Term
| What are the name of the two body forms belonging to Cnidaria? |
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Definition
|
|
Term
| Are coral reefs heterotrophic or autotrophic systems? |
|
Definition
|
|
Term
| Are coral polyps heterotrophs or autotrophs |
|
Definition
|
|
Term
| Do corals reproduce sexually or asexually |
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Definition
|
|
Term
| What might the Coral break to form a new clone colony |
|
Definition
|
|
Term
| Name a fast-growing coral species that maintains it's genotype when cloned? |
|
Definition
|
|
Term
| What does gonochorism mean? |
|
Definition
| One of at least two sexes |
|
|
Term
| What percentage of corals are hermaphrodites? |
|
Definition
|
|
Term
|
Definition
| Corals that spawn millions of ganetes into water for external fertilisation |
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|
Term
| Name two broadcaster corals |
|
Definition
| acroporidae, pociloporidae |
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|
Term
|
Definition
| corals that have eggs that remain in gastrovascular cavities and fertilised by motile sperm. Well developed larvae released for nearby settlement. Typical in those with small polyps |
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|
Term
| Name a coral that is a brooder |
|
Definition
|
|
Term
| What are some of the triggers of mass spawning |
|
Definition
| day length, water temp, lunar cycle |
|
|
Term
| Benefits of mass spawning |
|
Definition
|
|
Term
| what is the name of the ciliated larvae that corals produce? |
|
Definition
|
|
Term
| What is the name of the digestive filaments that a polyp will extrude when threatened |
|
Definition
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