What is the bowl shaped depression where the polyp lived called?
Calice
3 of 34
Axial rod which supports the septa, running up the centre of some corals?
Columella
4 of 34
The outermost layer of a corals skeleton (often wrinkled in solitary corals)
Epitheca
5 of 34
Horizontal plates dividing the corallite skeleton
Tabula
6 of 34
The skeleton produced by one polyp
Corallite
7 of 34
Wrinkles produced as the polyp grows
Growth lines
8 of 34
Vertical plates, dividing and providing strength to the corallite skeleton
Septa
9 of 34
Curved plates connected to septa and tabulae
Dissepiments
10 of 34
Which type of coral is extant?
Scleractinian
11 of 34
Which Coral lived between Ordovician and Permian
Rugose
12 of 34
Which coral lived between Cambrian to Permian
Tabulate
13 of 34
In which geological period did Scleractinian corals evolve?
Triassic
14 of 34
Tabulae are found in all types of corals, which group has well developed tabular?
Tabulate
15 of 34
Which type of coral has large corallites?
Rugose
16 of 34
Which type of coral always has dissepiments present?
Scleractinian
17 of 34
Which two types of coral have radial symmetry?
Tabulate and Scleractinian
18 of 34
Which type of coral doesn't have a collumella?
Tabulate
19 of 34
Which type of coral only sometimes has a columella?
Scleractinian
20 of 34
Which type of coral always has a columella?
Rugose
21 of 34
What is the pattern of septa in Rugose corals?
6 Major septa and 4 minor septa
22 of 34
Do Tabulate corals have septa?
Sometimes but reduced or poor
23 of 34
What is the pattern of the septa in Scleractinian corals?
6 Major septa radially
24 of 34
There are two types of coral which are found as both colonial and solitary, which are they?
Rugose and Scleractinian
25 of 34
Is Tabulate found as a solitary or colonial coral?
Colonial
26 of 34
Which type of coral sometimes has mural pores?
Tabulate
27 of 34
When a small increase in temperature or pollution causes the polyps to die, killing the reef, this is called?
Coral bleaching
28 of 34
What are Zooxanthella's?
A type of algae that lives inside modern-day coral cells. There is a symbiotic relationship between the algae and the coral (the algae can photosynthesis)
29 of 34
What temperature do corals live in?
Temperate : 23-27C
30 of 34
What depth of water do they inhabit?
0
31 of 34
Where in the world are corals found?
Between 30 degrees North and 30 degrees South of the equator
32 of 34
What energy level do corals live in?
High energy, as this incorporates more oxygen and circulates nutrients
33 of 34
What are the three ways modern-day coral reefs form?
Fringing reef (near land), or Barrier reef (offshore), or Atolls and Coral islands (offshore, due to hotspot volcanoes, ring-shaped)
34 of 34
Other cards in this set
Card 2
Front
Class of Corals
Back
Anthozoa
Card 3
Front
What is the bowl shaped depression where the polyp lived called?
Back
Card 4
Front
Axial rod which supports the septa, running up the centre of some corals?
Back
Card 5
Front
The outermost layer of a corals skeleton (often wrinkled in solitary corals)
Comments
No comments have yet been made