Biology Final Part II
- 1.
Succulents are plants that:
- A.
Excrete salts by way of salt glands
- B.
Lose water and salts
- C.
Accumulate water in their tissues
Correct Answer
C. Accumulate water in their tissues -
- 2.
The infauna of mud flats feed mostly on:
- A.
Detritus
- B.
Plankton
- C.
Filter feeders
Correct Answer
A. Detritus -
- 3.
Blood rich in hemglobin is an adaptation to:
- A.
Fluctuating salinities
- B.
Wide variations in temperature
- C.
Low oxygen concentrations
Correct Answer
C. Low oxygen concentrations -
- 4.
Zonation in an estuary is made evident by:
- A.
Large number of worms in the mud
- B.
Presence of different species along different horizontal levels in relation to tides
- C.
Tide pools along mud flats
Correct Answer
B. Presence of different species along different horizontal levels in relation to tides -
- 5.
The zonation of plants in marshes is determined mostly by:
- A.
Temperature fluctuations
- B.
Geographical location
- C.
Height of the tide
Correct Answer
C. Height of the tide -
- 6.
The food web in salt marsh communities is characterized by high primary production. Most of this production is made available to other communities in the form of:
- A.
Plant tissue eaten by grazers
- B.
Detritus
- C.
Plant tissue eaten by filter feeders
Correct Answer
B. Detritus -
- 7.
The goegraphical distribution of mangrove forests is mostly determined by:
- A.
Salinity
- B.
Type of sediment
- C.
Temperature
Correct Answer
C. Temperature -
- 8.
Mangroves belong to one of the following groups:
- A.
Flowering plants
- B.
Green algae
- C.
Brown algae
Correct Answer
A. Flowering plants -
- 9.
Mangrove forests are considered a stage in the ecological succession between marine and terrestrial communities due to the fact that they:
- A.
Live mostly above water
- B.
Serve as a nesting place for birds`
- C.
Accumulate sediment in their roots
Correct Answer
A. Live mostly above water -
- 10.
Outwelling in estuaries is most important since it:
- A.
Maintains high primary production
- B.
Provides food and nutrients to other communities
- C.
Releases much oxygen
Correct Answer
B. Provides food and nutrients to other communities -
- 11.
Reef-building corals are cnidarians that are characterized by
- A.
Having both a polyp and medusa stage
- B.
Lacking netocysts
- C.
Having only a polyp stage
Correct Answer
C. Having only a polyp stage -
- 12.
Hermatypic corals are those that:
- A.
Only live in tropical waters
- B.
Are non reef builders
- C.
Have zooxanthellae
Correct Answer
C. Have zooxanthellae -
- 13.
Planula is the name given to:
- A.
Coral larvae
- B.
The coral skeleton
- C.
Zooxanthallae
Correct Answer
A. Coral larvae -
- 14.
Zooxanthallae are essential to reef-building corals because the:
- A.
Provide the coral with carbon dioxide
- B.
Filter out harmful solar raditaion
- C.
Help in the deposition of the skeleton
Correct Answer
C. Help in the deposition of the skeleton -
- 15.
The mesenterial filaments of corals are important because they:
- A.
Help deposit the skeleton
- B.
Secrete digestive enzymes
- C.
Produce mucus
Correct Answer
B. Secrete digestive enzymes -
- 16.
Sources of food and other essential nutrients for corals include all of the following except:
- A.
Nutrients released by the zooxanthallae
- B.
Calcium carbonate from shells
- C.
Zooplankton captured by tentacles
Correct Answer
B. Calcium carbonate from shells -
- 17.
The most important organisms that help form coral reefs, other than reef-building corals, are:
- A.
Sponges
- B.
Corraline algae
- C.
Molluscs
Correct Answer
B. Corraline algae -
- 18.
Practically all of the sediment that accumulates in a coral reef is of what type?
- A.
Biogenous
- B.
Monogenous
- C.
Heterogenous
- D.
I don't give a crap
Correct Answer
A. Biogenous -
- 19.
Reef building corals grow only in shallow water because:
- A.
Salinity varies less in shallow water
- B.
Zooxanthallae need light for photosynthesis
- C.
Nutrients concentrate in shallow water
Correct Answer
B. Zooxanthallae need light for photosynthesis -
- 20.
The expulsion ofzooxanthallae due to unfavorable conditions is called?
- A.
Exflagellation
- B.
Exudation
- C.
Bleaching
- D.
Conditioning
Correct Answer
C. Bleaching -
- 21.
Eutophication is very detrimental to the development of coral sice it increases:
- A.
The amount of nutrients in the water, stimulating overgrowth
- B.
Temperature of water, since it kills the coral
- C.
The salinity of water, since it kills zooxanthallae
Correct Answer
A. The amount of nutrients in the water, stimulating overgrowth -
- 22.
The most common type of coral reefs around the world:
- A.
Barrier
- B.
Fringing
- C.
Oyster reefs
Correct Answer
B. Fringing -
- 23.
In a typical fringing reef, most of the live coral is found on the:
- A.
Reef flat
- B.
Reef slope
- C.
Reef crest
Correct Answer
B. Reef slope -
- 24.
Fringing and barrier reefs develop:
- A.
In waters along estuaries
- B.
In the open ocean far from land
- C.
Along a coast
Correct Answer
C. Along a coast -
- 25.
Spur and groove formations, or buttresses, appear to be the result of:
- A.
Fish grazing
- B.
Wind and waves
- C.
Accumulation of sand
Correct Answer
B. Wind and waves -
- 26.
Generally, one important thing between barrier reefs and fringing reefs is that barrier reefs
- A.
Develop from attols
- B.
Develop farther away from land
- C.
Develop in the carribbean
Correct Answer
B. Develop farther away from land -
- 27.
Most attols are found in theL
- A.
Indo-west pacific region
- B.
Carribbean
- C.
The eastern atlantic
- D.
I mispelled caribbeam. damn too lazy to change
Correct Answer
A. Indo-west pacific region -
- 28.
Attols actually start as a:
- A.
Fringing reef
- B.
Barrier reef
- C.
Reef flat
Correct Answer
A. Fringing reef -
- 29.
Aside from zooxanthallae, what is the other primary producer in a corral reef?
- A.
Turf algae
- B.
Benthic diatoms
- C.
Kelps
Correct Answer
A. Turf algae -
- 30.
Primary production is very high in coral reefs but low in surrounding waters. One reason for this is that:
- A.
Nutrients are efficiently recycled
- B.
Turf algae releases nutrients
- C.
There is abundant carbon in the reefs
Correct Answer
A. Nutrients are efficiently recycled -
- 31.
Reef corals compete with soft corals for space one competitive advantage of soft corals is their:
- A.
Color
- B.
Toxic chemicals
- C.
Special stingers
Correct Answer
B. Toxic chemicals -
- 32.
The recruitment of coral reef fishes seems to be the result of one of these phenomena
- A.
Species tend to avoid competition
- B.
The outcome of competition is based on chance
- C.
Species actually choose when to compete and move elsewhere
Correct Answer
A. Species tend to avoid competition -
- 33.
The sweeper tentacles of corals contain:
- A.
Zooxanthallae
- B.
Nematocysts
- C.
Enzymes
Correct Answer
B. Nematocysts -
- 34.
Obligate symbionts are those organisms that:
- A.
Have a casual relationship with the host
- B.
Harm the host
- C.
Are found only in association with another species
Correct Answer
C. Are found only in association with another species -
- 35.
Giant clams are very large in size because of their ability to:
- A.
Have zooxanthallae
- B.
Be parasites when young
- C.
Be a deposit feeder
Correct Answer
A. Have zooxanthallae -
- 36.
The epipelagic is divided into two components. The oceanic waters and:
- A.
Photic zone
- B.
Neritic zone
- C.
Pelagic calm
Correct Answer
B. Neritic zone -
- 37.
Most of the primary production carried out in the open ocean is performed by:
- A.
Phytoplankton
- B.
Seagrasses
- C.
Squidward
- D.
Zooxanthallae
Correct Answer
A. Phytoplankton -
- 38.
Nanoplankton consists mostly of very small:
- A.
Phytoplankton
- B.
Copepods
- C.
Sea jellies
Correct Answer
A. Phytoplankton -
- 39.
The net phytoplankton consists mostly of very small:
- A.
Copepods
- B.
Diatoms and flagellates
- C.
Nanoplankton
- D.
Nanoplankton and diatoms
Correct Answer
B. Diatoms and flagellates -
- 40.
Most zooplankton feed on:
- A.
Strictly phytoplnakton
- B.
Mostly zooplankton
- C.
Mostly nanoplankton and phytoplankton
Correct Answer
C. Mostly nanoplankton and phytoplankton -
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Current Version
-
Mar 20, 2022Quiz Edited by
ProProfs Editorial Team -
May 16, 2013Quiz Created by
Jsinfonian
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