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WorksheetsCoral Reef Ecosystems
Total questions: 10
Worksheet time: 5mins
A coral polyp is actually
an animal found in Phylum Coelenterates
an animal found in Phylum Chordata
a plant found in Phylum Bryophyta
a plant found in Phylum Aniospermophyta
Coral polyps build their homes out of
carbon dioxide
calcium carbonate
calcium manganese
carbon monoxide
Coral Reefs are found in
tropical waters
waters around the South pole
sub-tropical waters
A and C
Most coral reefs are ____________ .
in warm areas near the shore
in warm areas away from the shore
in cold areas near the shore
in cold areas away from the shore
A coral reef is made up of thousands of small structures called
sea stars
polyps
sea anemones
bacteria
When do coral reefs feed?
During the day
At night time
What are coral reefs often compared to?
forests
gardens
rainforests
deserts
What animals arecoral related to?
Jellyfish
octopus
whales
sea snake
What is the name of the structures that coral polyps used to sting their prey with?
Nematocysts
Nematophores
Nematocells
Nematoblasts
During the night time, coral polyps came out to feed on
phytoplankton
zooplankton
