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6.2 - Coral Reef Formation and Distribution

Total questions: 10

Worksheet time: 17mins

Name
Class
Date
1.

Which of the following would be a limiting factor for coral reef distribution?

a)

temperature between 20-25 degrees Celsius

b)

Salinity between 32-35ppt

c)

depth that is less than 25 meters

d)

excess sedimentation from a river mouth

2.

Corals are animals in phylum

a)

Porifera

b)

Ctenophora

c)

Cnidaria

d)

Echinodermata

3.

Reef Building Corals are found in what location?

a)

Tropical oceans near the equator

b)

Temperate shorelines

c)

Polar regions

d)

Deep Oceans

4.

This diagram is of a coral polyp. Select the letter that identifies the Basal Plate

a)

A

b)

B

c)

C

d)

D

5.

This diagram is of a coral polyp. Select the letter that identifies the Stomach

a)

A

b)

B

c)

C

d)

D

6.

Coral gets nutrition from which two sources?

a)

suspension feeding/prey on zooplankton

b)

Chemosynthetic Bacteria

c)

Symbiotic Zooxanthellae

d)

hunt fish

7.

Coral distribution is limited to what temperature ranes?

a)

12-16 degrees Celsius

b)

25-35 Degrees Celsius

c)

23-25 Degrees Celsius

d)

35-40 Degrees Celsius

8.

The picture shows a coral reef along the shoreline. which type of reef is this?

a)

Barrier Reef

b)

Fringing Reef

c)

Patch Reef

d)

Atoll

9.

During an Atoll formation, as the island sinks, the fringing reef will turn into a

a)

Patch Reef

b)

Lagoon

c)

Barrier Reef

d)

Atoll

10.

Corals can reproduce

a)

Sexually

b)

Asexually

c)

Both Sexually and Asexually