WorksheetsCoral Reefs
Total questions: 20
Worksheet time: 10mins
How have coral reef environments been described?
submarine savannas
oceanic hotspots
rainforests of the sea
underwater deserts
Where is the Great Barrier Reef located?
Indonesia
Madagascar
New Zealand
Australia
What are coral polyps?
minerals
animals
plants
fungi
What organisms give coral its vibrant colours?
algae
sponges
sea anemones
bacteria
What are coral skeletons made of?
calcium sulfate
calcium carbonate
sodium bicarbonate
carbon dioxide
What type of coral reef is shown in the picture?
patch reef
barrier reef
fringing reef
atoll
Which of these statements is NOT true?
Coral reefs need shallow, clear water to grow.
Coral reefs are found in all of the world's oceans.
Coral reefs need sunlight for photosynthesis.
Warm water is essential so corals are mostly found in tropical regions.
The Great Barrier Reef is a World Heritage Site.
TRUE
FALSE
What is a group of corals called?
pride
skein
colony
bed
Zooxanthellae provide nutrients for the coral polyp.
FALSE
TRUE
Coral polyps do not live very long.
TRUE
FALSE
To what other animal is coral related?
squid
sea horse
sea slug
jellyfish
What can damage a coral reef?
anchors
rough seas
hurricanes
all of the above
What fish is a danger to the health of our coral reefs in Barbados?
lionfish
pufferfish
tigerfish
clownfish
How do we know coral are hunters?
They have rows of sharp teeth.
They have long, stinging tentacles.
They are scary-looking.
They poke their heads in and out of the rocks.
Which of these do you think are reasons why coral reefs are important in Barbados?
They are tourist attractions and protect our beaches from erosion.
They can be mined for rock for building and provide a source of fish.
Medicine is made from the reef and they help prevent water pollution.
They provide a home for whales and good anchorages for boaters.
Global warming is a threat to the existence of coral reefs.
TRUE
FALSE
Can corals be grown outside of the ocean?
TRUE
FALSE
What happens when corals become stressed?
The coral kills the algae.
The coral expels the algae.
The algae overgrow the coral polyps.
The algae multiply rapidly.
What is the effect of the algae leaving the polyps?
faster growth of the reef
erosion of the coral
coral bleaching
the water in the reef becomes very acidic
