QUIZ

Week Ten. Four more to go!. Remember the quiz on Thursday.



1. What kind of relationship do symbols have with their referent that signs do not?

2. The earliest techniques used to get food are known as

3. What term is used to indicate that too many fish have been taken for the stock to keep replenishing itself?

4. At about how many years ago do the earliest examples of pelagic fishing that we know of appear?

5.What term is used to describe pulling a net behind a vessel for the purposes of catching some marine life?

6. What is it called when one takes too many fish that results in the depletion the mature adult population of the fish?

7. What term is used to decribe fish which were unintentionally caught in a net?

8. What term is used for the greatest catch of a species that will ensure the log term viability of the species?

9. What tool appears to mark the horticultural level of food production?

10. What term is used for fishing equipment that has broken loose and is floating in the ocean still catching fish?

ANSWERS TO THE LAST QUIZ

1. What bird seems most adapted to oceanic life?
Answer: penguin

2. What term is used to indicate the area where rivers meet the ocean?
Answer: estuary

3. What term is used to indicate an overabundance of material in the ocean that sparks a great deal of algal growth?
Answer: eutrophication

4. What term is used for an environment where trees and shrubs appear with roots exposed along waterways in warm climates?
Answer: mangrove

5.By what process other than photosynthesis do autotrophs produce their own food?
Answer: chemosynthesis

6. About what percent of the energy taken in by organisms is used to maintain the organism and build tissues?
Answer: 10%

7. What term is used to decribe difference in kind or nature, as opposed to differences in amount)?
Answer: qualitative

8. What characteristic do most marine invertebrates have that are being studied for anti-inflammitory and anti-cancer medications?
Answer: sessile

9. What characteristic do "Language and Culture" have (as opposed to "language and culture")?
Answer: universal

10. What term is used for the organisms at the top of the food chain (trophic level)?
Answer: apex predator