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