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