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