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