Coral reefs are like colorful underwater ______ where many different animals and plants live.
clouds
cities
games
holes
Coral reefs need our help to stay healthy, so we should be kind to the ocean and ______ trash into it.
sometimes throw
not throw
always throw
Coral reefs are ______ because they have bright and brilliant colors.
remarkable
the same
boring
Coral reefs like to live in _____ waters, which means they are not too deep.
deep
dirty
polluted
shallow
Many different animals ____ coral reefs.
kill
occupy
leave
forget
The coral reefs' _____ colors come from the corals
dull
brilliant
dark
white
Some fishing methods have ____ effects on reefs.
hungry
friendly
negative
illegal
Cyanide fishing releases liquid cyanide, a deadly _____, into the reef.
chemical
robot
hook
fishing pole
A tank or building where sea animals are kept is an ____.
aquarium
museum
courthouse
library
_________ means taking care of nature, like coral reefs, so they stay healthy and happy.
Construction
Conservation
Aquariums
Pollution
When coral polyps die, they leave behind a material called ______.
limestone
clay
marble
brick
Limestone was used to construct ________;
The Statue of Liberty
The Great Wall of China
The Great Pyramids of Egypt
my house
Coral reefs _____ a small 25% of ocean life.
construct
lose
swim
occupy
1,000,000,000,000 =
a google
a billion
a trillion
a million
The greatest limestone structures are _____.
castles
pyramids
coral reefs
churches
Most coral reefs are found in warm, shallow ______.
pools
bathtubs
lakes
oceans
