13 questions
What percentage of the ocean is taken up by coral reefs?
less than 1%
10-12%
25%
more than 50%
What percentage of the ocean's sea life lives in coral reefs?
10-15%
20%
25%
40%
Which marine environment has the most biodiversity?
Sandy Beach
Rocky Coast
Estuary
Coral Reef
Large coral reefs can be found near (check all that apply)
off the coast of Oregon
off the coast of Belize in Central America
in the Caribbean
the Florida Keys
Australia
Coral reefs are made by an animal that makes a home out of hard, rock like mineral called...
calcium carbonate
silica dioxide
calcium oxalate
About half a billion people rely on coral reef ecosystems for food, income, and protection. What percent of the world's population is that?
0.66%
6.6%
66.6%
0.06%
Coral Polyps are like upside-down jellyfish.
True
False
The hard part of coral reefs is made of calcuim carbonate - a hard mineral that coral polyps build thier homes out of.
True
False
Healthy coral polyps have algae that live inside them. These algae use ______ to make food that they share with the coral.
chemosynthesis
Photosynthesis
Coral provides algae a place to live, the algea provide the coral oxygen, sugars and fats. This is a ___ relationship.
Sympathetic
Symbiotic
Healthy
Archetypal
When coral are stressed, they may kick out their symbiotic algea in a process known as...
bleaching
eviction
degradation
inflammation
What is a model organism?
A small version of the organism
An organism that is used to study disease in another organism. Like using mice to study diseases in humans.
Aiptasia are good model organisms for studying coral bleaching because... (check all that apply)
They are easy to grow in the lab
They undergo bleaching just like coral
They are closely related to coral polyps
They have symbiotic algae just like coral polyps