CRF.I Review Quiz Results |

CRF.I REVIEW QUIZ Results

CRF.I: Review Quiz Results

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What is a result of ocean acidification? *

Mutant fish

Coral bleaching

Healthier sea life

Greater diversity

Incorrect! Oh no. Missed that one!
The correct answer is: Coral bleaching.

CORRECT
Bingo - You nailed it!

What is formed when the ocean absorbs carbon dioxide? *

Formaldehyde

Hydrochloric acid

Carbonic acid

Hydrolic gas

Incorrect! Oh no. Missed that one!
The correct answer is: Carbonic acid.

CORRECT
Bingo - You nailed it!

Coral are very important to life in the ocean. Approximately what percentage of marine life depends on coral reefs for food and shelter? *

25%

53%

95%

13%

Incorrect! Oh no. Missed that one!
The correct answer is: 25%.

CORRECT
Bingo - You nailed it!

Lots of marine organisms live around coral reefs, from tiny bacteria to zooxanthellae to crabs and bull sharks and all manner of creatures feeding off each other, sheltering and protecting each other. What is the word that describes this relationship? *

Multiculturalism

Mutualism

Mannerisms

Mutliplicity

Incorrect! Oh no. Missed that one!
The correct answer is: Mutualism.

CORRECT
Bingo - You nailed it!

What are nematocysts? *

Part of the reproductive system

Stinging cells that allow coral to grab food

A kind of jellyfish

Small fish that keep corals clean

Incorrect! Oh no. Missed that one!
The correct answer is: Stinging cells that allow coral to grab food.

CORRECT
Bingo - You nailed it!

How do Zooxanthellae help corals? *

They clump together in colonies that float above corals and protect them from direct sunlight

They keep the corals clean by scrubbing off bacteria

They capture small fish and feed them to the coral

They use sunlight to create food for the corals

Incorrect! Oh no. Missed that one!
The correct answer is: They use sunlight to create food for the corals.

CORRECT
Bingo - You nailed it!

How do corals reproduce? *

Photosynthesis

Asexually, by the parent cloning itself

Sexually, with a male and female

Either sexually or asexually

Incorrect! Oh no. Missed that one!
The correct answer is: Either sexually or asexually.

CORRECT
Bingo - You nailed it!

What is a “broadcast spawner”? *

Corals release pheromones that announce readiness to breed

Corals emit a high-pitched sound to announce readiness to breed

Colonies release eggs into the ocean in the hope that they will encounter another fertile colony

Colonies release huge numbers of eggs and sperm that float to the surface

Incorrect! Oh no. Missed that one!
The correct answer is: Colonies release huge numbers of eggs and sperm that float to the surface>/strong>

CORRECT
Bingo - You nailed it!

How does a reef develop? *

Corals grow and eventually die and their remains are compressed into a stony structure that builds over long periods of time

No one really knows

Massive numbers of fertilized polyps descend on a point on the ocean floor and accumulate during the full moon cycle

Coral polyps attach themselves to passing fish and later clump together, consuming the fish and starting a new colony

Incorrect! Oh no. Missed that one!
The correct answer is: Corals grow and eventually die and their remains are compressed into a stony structure that builds over long periods of time.

CORRECT
Bingo - You nailed it!

Why do humans build artificial reefs? *

To promote tourism

To provide marine life with a place to find food and shelter

To replenish coral stocks destroyed by bleaching

All of these

Incorrect! Oh no. Missed that one!
The correct answer is: All of these.

CORRECT
Bingo - You nailed it!

Where are coral found? *

In cold, deep waters

In moderate, temperate waters

In warm, tropical waters

All of these

Incorrect! Oh no. Missed that one!
The correct answer is: All of these.

CORRECT
Bingo - You nailed it!

Roughly how long ago did the Great Barrier Reef start growing? *

20,000 years ago

300 years ago

80,000 years ago

Last year

Incorrect! Oh no. Missed that one!
The correct answer is: 20,000 years ago.

CORRECT
Bingo - You nailed it!

You know that deep water coral don’t form reefs. What is NOT a name for a group of deep water coral? *

Forest

Bank

Thicket

Patch

Incorrect! Oh no. Missed that one!
The correct answer is: Forest.

CORRECT
Bingo - You nailed it!

Why don’t deep water corals form reefs? *

There isn't enough food

It's too dark

It's too cold

They grow too slowly

Incorrect! Oh no. Missed that one!
The correct answer is: They grow too slowly.

CORRECT
Bingo - You nailed it!

What kind of animals feed on coral? *

Octopus

Sharks

Sea stars

Seals

Incorrect! Oh no. Missed that one!
The correct answer is: Sea stars.

CORRECT
Bingo - You nailed it!

How much of the ocean is covered by coral? *

Less than 1%

About 5%

About 7%

More than 11%

Incorrect! Oh no. Missed that one!
The correct answer is: Less than 1%.

CORRECT
Bingo - You nailed it!

What is the basic shape of a coral polyp? *

A sphere

A triangle

A cube

A cylinder

Incorrect! Oh no. Missed that one!
The correct answer is: A cylinder.

CORRECT
Bingo - You nailed it!

What do coral eat? *

Kelp

Single celled algae

Fish

Crabs

Incorrect! Oh no. Missed that one!
The correct answer is: Single celled algae.

CORRECT
Bingo - You nailed it!

How fast do most coral grow? *

About 5 inches per year

Less than an inch per year

About three inches per year

More than 7 inches per year

Incorrect! Oh no. Missed that one!
The correct answer is: Less than an inch per year.

CORRECT
Bingo - You nailed it!

What does pH represent? *

How acidic something is

How salty something is

How hard something is

How old something is

Incorrect! Oh no. Missed that one!
The correct answer is: How acidic something is.

CORRECT
Bingo - You nailed it!

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