barrager/schmied/reid©2000		Name:____________________
	FOOD	Period:_____________
		Student #:___________

 

Read each question carefully. The category in brackets ( ) will assist you in determining the answers.

All answers and proper figures should be done CQC (Complete, Quality, Correct) on your own paper.

Write complete sentences and incorporate the question in your answer.

 

1. (Species--> Plants) Match the following: (10 pts)

brown algae	native to U.S. East & Gulf coasts, not Puget Sound
red algae	two types, kelp and rockweed
bull kelp	common on sandy or muddy sea floors
eelgrass	most abundant seaweed in deep water
spartina	many fish pecies of fish & marine mammals chose
	it as their home

2. (Species--> Plants) Why do you think so many different animals make their homes in kelp and eelgrass beds? (5 pts)

 

3. (Species--> Plankton) Describe the feature that all plankton share. (5 pts)

 

4. (Species--> Plankton) Describe: (5 pts)

a. phytoplankton

b. zooplankton

 

5. (Species--> Plankton) Match the following: (5 pts)

diatoms	responsible for paralytic shellfish poisoning (PSP)
dinoflagellates	staple food for salmon and seabirds
foraminifera	dominant species of zooplankton in Puget Sound
copepods	convert 55% of received sunlight into energy
krill	skeletons form thick oozes on the seafloor

 

6. (Species--> Shellfish) Shellfish, like chiton, scallops, and sea pens, eat microscopic plants and animals. What are the names of these organisms? (5 pts)

 

7. (Species--> Fish) Match the following: (5 pts)

ling cod	eats large fishes, crustaceans, & mollusks
pipefish	grows up to the 6'8" long (2" longer than Mr. B!)
sculpin	female deposits eggs in male's pouch
wolf eel	reside in shallow water & intertidal zone

 

8. (Species--> Mammals--> Seal vs. Sea Lion) Seal vs. Sea Lion -- what are the two main differences? (5 pts)

 

9. (Species--> Mammals--> Harbor Seal/Elephant Seal) President Clinton was in a helicopter flying over Puget Sound when he dropped his great grandfather's watch into 900 feet deep water in the Main Basin. The Seattle Aquarium has two trained seals, a harbor seal and an elephant seal. Justify which seal should be sent to find the watch. (5 pts)

 

10. (Ecosystems--> Food Web) Describe a food web. (5 pts)

 

11. (Ecosystems--> Food Web--> Food Cycle) Name the source of the driving energy of the food cycle. (5 pts)

 

12. (Ecosystems--> Food Web--> Food Cycle) Fill in the missing links of who eats who. (5 pts)

a. plankton --> __________--> harbor seal

b. marsh plants--> __________--> sparrow--> __________

c. __________--> invertebrates--> marsh animals

 

13. (Ecosystems--> Food Web--> Energy Flow) What percent of energy is successfully transferred from one level of the food web to the next? (5 pts)

 

14. (Ecosystems--> Food Web--> Energy Flow) OR (Status--> Abundance) Why do you think that there are only 26 species of marine mammals and a multitude (meaning many, many, many!) of invertebrate and plant species? (5 pts)

 

15. (Status--> Abundance) Scientists from UW have been studying Puget Sound for decades. Tell them why it is difficult determining the effects of human activities on species abundance in Puget Sound. (5 pts)

 

16. (Status--> Abundance--> Mammal) Name two marine mammal populations that are increasing and two that are decreasing in Puget Sound. (5 pts)

 

17. (Status--> Abundance--> Fish) My uncle is a salmon fisherman and wonders why the salmon populations are so low. Explain to him why the salmon runs are continuing to decline? (5 pts)

 

18. (Recreation--> Clamming--> click on the clams until the beach gets closed) What are the three symptoms of PSP (parlytic shellfish poisoning)? (5 pts)

 

19. (Recreation--> Clamming--> click on the clams unitl the bech gets closed--> Test) You and your family are on your way to the beach to harvest clams. What is the most important part of the trip? (5 pts)

 

Extra Credit

1. (Ecosystems--> Food Web--> Energy Flow) Determine what percent and how many calories of energy a killer whale would receive if it ate the sea otter used in the energy pyramid. (5 pts)

 

2. Salmon, steelhead, lingcod, and rockfish are all commercially valuable and are all on the deline in Puget Sound. The Stellar sea lion, harbor porpoise, and Dall's porpoise are also on the decline in Puget Sound. How do you think these two declines are related? (5 pts)

 

3. (Recreation--> Clamming--> click around...) What is the PSP Hotline telephone number? (5 pts)