marine marine: middy 1, practice 1

Charles Darwin is well known as a great marine biologist because of

a) His work on coral reefs

b) His classification of the barnacles

c) His participation in the voyage of the H.M.S. Beagle

d) All of the above

d) All of the above

Bathybius was believed to be

a) The ancestor of the bony fishes

b) A slime from which life arose on the seabed

c) The founder of marine biology

d) A resident of hot-vent environments

b) A slime from which life arose on the seabed

Edward Forbes's "Azoic Theory" stated that

a) Life could not arise from inanimate objects

b) No life can be found within the sediment

c) There's no marine life deeper than 300 fathoms

d) There's no marine life shallower than 300 fathoms

c) There's no marine life deeper than 300 fathoms

In the 19th century, Prince Albert I of Monaco was famous for

a) Funding marine biology from his casino in Atlantic City

b) Leading the Challenger expedition

c) Outfitting oceanographic vessels and founding a lab

d) All of the above

c) Outfitting oceanographic vessels and founding a lab

The Challenger expedition

a) Circumnavigated the globe

b) Helped disprove the Bathybius theory

c) Produced many volumes of descriptions of marine life

d) All of the above

d) All of the above

Darwin's theory of coral reef formation required that

a) Coral reefs cease growing when sea level lowered

b) Corals evolved very recently

c) The rock beneath a coral reef was steadily sinking

d) Volcanic islands were steadily rising under the reefs

c) The rock beneath a coral reef was steadily sinking

The following is a scientific hypothesis:

a) Blue whales cannot be seen diving, but they could dive to 1,000 m

b) Mermaids will come to shore in San Francisco on May 1, 2002

c) Sea otters have gills, and therefore they can dive to great depths

d) None of the above

b) Mermaids will come to shore in San Francisco on May 1, 2002

Which of the following is the best way to test a hypothesis?

a) Perform an experiment that manipulates one environmental factor, holding the

others constant

b) Sample the environment exhaustively, and look for close correlations among

ecological variables

c) Collect a lot of information; eventually you will have enough to get the answer to your

question

d) Make sure to prove the hypothesis to be true

a) Perform an experiment that manipulates one environmental factor, holding the

others constant

After deciding upon a likely important effect it would be best to

a) Devise a sampling scheme that measures everything in the local environment to see

the importance of the effect

b) Propose a null hypothesis, which should never be rejected to prove the lack of

importance of the effect

c) Propose a null hypothesis, whose rejection would prove the importance of the

effect

d) All of the above

c) Propose a null hypothesis, whose rejection would prove the importance of the

effect

Nekton

a) Move only with the currents

b) Include larger fish and sea mammals

c) Include protistan and other very small plankton

d) Are defined as swimmers who can dive very deeply

b) Include larger fish and sea mammals

Infaunal animals are found

a) Only in sea caves

b) Below the tidal zone

c) Within plants

d) Below the sediment-water interface

d) Below the sediment-water interface

Animals living in association with the sea surface are called

a) Plankton

b) Krypton

c) Neuston

d) Epifaunal

c) Neuston

Pelagic habitats

a) Are found in estuaries

b) Are seaward of the continental shelf

c) Are deep-water habitats in shelf canyons

d) All of the above

b) Are seaward of the continental shelf

Which of the following pairs are the same habitats?

a) Oceanic and pelagic

b) Hadal and planktonic

c) Intertidal and epipelagic

d) None of the above

a) Oceanic and pelagic

The mesopelagic zone ranges to depths of

a) 150 m

b) bottom of tidal zone

c) 1,000 m

d) 4,000 m

c) 1,000 m

Infaunal animals are usually found

a) Within wood

b) Buried within the sediment

c) Only in the intertidal zone

d) Swimming near the surface

b) Buried within the sediment

Hadal environments are associated with

a) Trenches

b) The intertidal zone

c) Mid-oceanic ridges

d) Dinosaur habitats

a) Trenches