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8.3 Coral Reefs

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Question 1
1.

What is the primary material coral reefs are built upon?

Question 2
2.

Which organisms are responsible for forming massive coral reefs?

Question 3
3.

What is symbiosis?

Question 4
4.

How do corals reproduce since they are sessile?

Question 5
5.

Which process of asexual reproduction is often used by people to restore coral reefs?

Question 6
6.

How does a coral reef grow over time?

Question 7
7.

How fast does a coral reef typically grow per year?

Question 8
8.

Where is the living coral found in a coral reef?

Question 9
9.

What happens if coral lacks zooxanthellae?

Question 10
10.

What happens if there is not enough sunlight for photosynthesis?

Question 11
11.

Why do coral reefs struggle in murky waters?

Question 12
12.

What is the maximum temperature for coral growth?

Question 13
13.

What is the first sign of heat stress in corals?

Question 14
14.

What happens to corals during bleaching?

Question 15
15.

Which type of reef grows closest to the shoreline?

Question 16
16.

Which type of reef is separated from the land by a lagoon?

Question 17
17.

Which type of reef forms from volcanoes?

Question 18
18.

What must corals on the reef crest withstand? Select all that apply

Question 19
19.

Where do corals typically thrive between 15-65 feet deep?

Question 20
20.

What is the main location of the reef on an atoll?

Question 21
21.

How are nutrients recycled in coral reef ecosystems?

Question 22
22.

What are some strategies hard corals use for competition? Select all that apply

Question 23
23.

Which animals protect coral from predators by pinching or biting?

Question 24
24.

What type of symbiotic relationship is described between the Hermit Crab and the Anemone?

Question 25
25.

Why is scientific research important for coral reefs?

Question 26
26.

What is illustrated as a negative impact on the reef ecosystem?

Question 27
27.

BONUS: What happens if corals lack zooxanthellae?

Question 28
28.

BONUS: How are individual coral polyps connected?

Question 29
29.

BONUS: Under what conditions may a polyp engage in bailout reproduction?

Question 30
30.

BONUS: Why are corals called 'bleached' during bleaching?

Question 31
31.

BONUS: What is the Great Barrier Reef known for being?

Question 32
32.

BONUS: What may a small, shallow lagoon with little wave action become?

Question 33
33.

BONUS: Which strategy is used by soft corals and sponges? Select all that apply

Question 34
34.

BONUS: What does a mutualistic relationship involve?

Question 35
35.

BONUS: What does the creation of a marine sanctuary do for the reef?

Question 36
36.

BONUS: What organism pushes its stomach out to digest coral?