Marine Growth Questions Flashcards
The rate of marine growth will increase if?
The water temperature rises
What is the difference between hard and soft marine growth:
Density of the growth
Marine growth is influenced by:
Answer: c. Both
a. Depth
b.Temperature
c. Both
d. Neither
Which of the following are factors affecting marine growth?
Answer: d. All of the above
a.Water flow rate
b.Temperature
c. Depth
d. All of the above
Which of the following types of marine growth would be most affected by depth outside the photic zone?
Plants
The photic zone in seawater (0 to -20m) also known as sunlight zone, is the uppermost layer of the ocean that receives sufficient sunlight to allow photosynthesis to occur.
Which of the following will increase the rate of marine growth on offshore structure:
Answer: Localized increase in temperature
a. Localised increase in pressure
b. localised increase in temperature
c. Henderson Rings
d. wave action
Which of the following is not categorised as hard fouling?
Answer: Anemone
a. Barnacles
b. Mussels
c. Solitary Tube Worms
d. Anenome
Which of the following is not categorized as Soft Fouling?
answer: Mussels
a. Mussels
b. Hydroids
c. Sea Weeds
d. Dead mens fingers
Which of the following types of marine growth would you expect not to find below the photic zone?
Plants
Photic Zone is the 1st 0 to -20 metres. No plants below 20m
Which of the following species of marine growth is not normally found below 50 meters?
Answer: Mussels
a. Mussels
b. Hydroids
c. Cold Water coral
d. Bryozions
Which of the following types of marine growth would you expect to find above 10m?
Answer: D. (b) and (c)
A. Giant tube worms
B. Mussels
C. Kelp
D. (b) and (c)
Sea Squirts are which of the following?
Answer: Soft-bodied animal that grow in colonies down to 1000m
A. Hard-bodied animals that growth in colonies down to 50m
B. Hard-bodied plants that grow in colonies down to 20m Soft-bodied animal that grow in colonies down to 1000m
D. Soft-bodied animal that grow in colonies down to 1000m
C. Kelp
