Coral reefs are like colorful underwater ______ where many different animals and plants live.
games
holes
cities
clouds
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.
dirty
deep
polluted
shallow
Many different animals ____ coral reefs.
occupy
forget
leave
kill
The coral reefs' _____ colors come from the corals
white
dark
dull
brilliant
Some fishing methods have ____ effects on reefs.
negative
hungry
friendly
illegal
Cyanide fishing releases liquid cyanide, a deadly _____, into the reef.
robot
fishing pole
chemical
hook
A tank or building where sea animals are kept is an ____.
library
museum
aquarium
courthouse
_________ means taking care of nature, like coral reefs, so they stay healthy and happy.
Conservation
Aquariums
Construction
Pollution
When coral polyps die, they leave behind a material called ______.
marble
limestone
clay
brick
Limestone was used to construct ________;
The Great Pyramids of Egypt
The Great Wall of China
my house
The Statue of Liberty
Coral reefs _____ a small 25% of ocean life.
construct
swim
occupy
lose
1,000,000,000,000 =
a trillion
a million
a google
a billion
The greatest limestone structures are _____.
castles
coral reefs
pyramids
churches
Most coral reefs are found in warm, shallow ______.
oceans
bathtubs
pools
lakes
