What is Coral?
Types of Coral
Food and Coloration
Biodiverse Communities
100

True or False: Coral is a type of plant.

FALSE!

100

True or false: the two main categories of coral are hard coral and soft coral

TRUE

100

True or False: Does coral eat?

TRUE!

100

True or False: only deep coral reefs form habitats for other creatures to live.

FALSE. Both shallow and deep reefs provide habitats. 

200

Is coral a marine vertebrate or invertebrate?

invertebrate

200

How does coral grow?

New polyps form over where the old ones were, and the coral slowly grows in size.  

200

Polyps that catch and eat food using tiny harpoon-like organelles to shoot out and capture prey are called...

cnidocysts

200

Name a type of fish that lives in a coral reef.

clownfish, tang, gobies, frogfish, etc. 

300

What is coral?

a colony of tiny animals 

300

Describe soft coral. 

Less stiff and dense than hard coral

Formed by complex proteins instead of calcium carbonate

Often sway with the ocean current

Look like plants or anemones

Colorful

300

The term for a partnership between two species that benefits both species.

Mutualism

300

Name a crustacean that lives in a coral reef.

lobster, shrimp, crab, etc. 

400

What is a polyp?

Small individual organisms that make up all coral species

400
Name a type of coral. 

antler, brain, fan, sea pens, carnation coral, etc. 

400

What gives coral its color?

a tiny type of plankton called zooxanthellae lives inside the coral polyps and conducts photosynthesis


400

In what type of water are the most biodiverse reefs located?

Warm, shallow waters

500

In which zones are most coral reefs found?

In shallow waters, like the intertidal and neritic zones

500

What is the hard, protective covering of hard coral made of?

Calcium carbonate
500

What is coral bleaching and what causes it?

When the color loses its color and turns white.

It is caused by extreme temperatures, pollution, extremely low tides, chemicals in sunscreen, not enough zooxanthellae. 



500

Name a type of invertebrate that lives in a coral reef.

Sea sponge, anemone, octopus, squid, sea slug, sea urchin, marine worm.