Oceans - Pelagic Deepwater Marine Ecosystem: Southern Ocean CS

Question 1

What proportion of the species in the Antarctic feed on Krill?

Answer 1

25%

Question 2

Name two penguin species?

Answer 2

Emperor, King

Question 3

What effects the seasonal variations in biomass change?

Answer 3

• Upwelling
• Nutrients supply
• Daylight hours

Question 4

What enables phytoplankton growth?

Answer 4

Upwelling

Question 5

How many hours of sunlight do you get from Nov-March?

Answer 5

12

Question 6

How is marine life facilitated?

Answer 6

Cold water -> increased CO2 dissolved

Question 7

How big is ice cover in summer?

Answer 7

3 million km^2

Question 8

How big is ice cover at the end of winter?

Answer 8

20 million km^2

Question 9

Is there limited variation in the types of habitats?

Answer 9

Yes

Question 10

Example of producers?

Answer 10

Phytoplankton

Question 11

Examples of primary consumers?

Answer 11

Bacteria, krill

Question 12

Examples of secondary consumers?

Answer 12

Leopard seal, Antarctic tooth fish

Question 13

Examples of Apex predators?

Answer 13

Sperm whales, killer whales

Question 14

Example of food chain?

Answer 14

Phytoplankton-> Krill-> Baleen whale-> Killer whale

Question 15

Is this ecosystem bio diverse?

Answer 15

Not compared with salt marshes

Question 16

Why is the Antarctic not very diverse?

Answer 16

Has a small range of habitats

Question 17

What are the habitats of the ocean?

Answer 17

• Land
• Sea ice
• Surface water
• Deep water