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Coral Bleaching

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

What type of algae is found inside corals?

a)

Zooxanthellae

b)

Wakame

c)

Bladder wrack

d)

Giant Kelp

2.

What is the number one cause of coral bleaching?

a)

People swimming in the ocean

b)

Pollution

c)

Ocean temperature is to high

d)

Animals

3.

What percent of the northern Great Barrier Reef is dead (far north included)?

a)

90%

b)

6%

c)

1%

d)

93%

4.

What are coral reef researchers and other scientist using to protect coral bleaching?

a)

trash

b)

photographs

c)

chemicals

d)

'The Swiss Army Knife' - style robo reef protector

5.

True or False: Corals become bleached before stressed

a)

false

b)

true

6.

How much money do coral reefs yield annually in global goods and services?

a)

$30 billion

b)

$26 billion

c)

$100

d)

$1400

7.

True or False: Minimizing the use of fertilizers is a solution to preventing coral bleaching.

a)

True

b)

False

8.

What color is bleached coral?

a)

red

b)

purple

c)

green

d)

white

9.

What things do healthy corals provide for humans?

a)

Shelter and Protection

b)

Food and Medicine

c)

Nemo and The Anemone

d)

Talent and Skill

10.

Is coral bleaching a big problem?

a)

No

b)

Maybe

c)

Yes

d)

I am not sure