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Review for Exam• Same format• Topics
– Deep Sea– Subtidal Benthic– Intertidal– Meiofauna– Estuaries and Salt Marshes– Don’t forget Oceans in the News
• Website will be up-to-date by tomorrow AM– Outlines and ppt files (there already)– Practice questions
Review for Exam
• Think about similarities and differences in these different habitats– Abiotic factors– Biotic factors– Adaptations– Types of organisms
The Review Game• If you want to play,
pick up one A,B,C, and D (these are not grades!)
• Stand up• Multiple choice
questions – hold up your answer choice; sit down if you are incorrect
• Last 5 left standing will win bonus points!
A soft bottom intertidal area with low wave action would be
expected to haveA. Gravel substrate
B. Coarse sand substrate
C. Fine sand substrate
D. Mud substrate
A soft bottom intertidal area with low wave action would be
expected to haveA. Gravel substrate
B. Coarse sand substrate
C. Fine sand substrate
D. Mud substrate
The base of the food chain for marine hydrothermal vents is
which of the following?
A. Algae
B. Copepods
C. Vestimentiferan worms
D. Bacteria
The base of the food chain for marine hydrothermal vents is
which of the following?
A. Algae
B. Copepods
C. Vestimentiferan worms
D. Bacteria
Exclusion of one species from a shallow subtidal region due to the activities of another species (not including predation) is called:
A. Competitive interference
B. Disturbance
C. Keystone exploitation
D. Grazing
Exclusion of one species from a shallow subtidal region due to the activities of another species (not including predation) is called:
A. Competitive interference
B. Disturbance
C. Keystone exploitation
D. Grazing
In the rocky intertidal zone, which of the following resources
is in limited supply?
A. Food
B. Oxygen
C. Space
D. Mates
In the rocky intertidal zone, which of the following resources
is in limited supply?
A. Food
B. Oxygen
C. Space
D. Mates
Members of which of the following phyla live only in the
marine interstitial?
A. Cnidaria
B. Gnathostomulida
C. Echinodermata
D. Nematoda
Members of which of the following phyla live only in the
marine interstitial?
A. Cnidaria
B. Gnathostomulida
C. Echinodermata
D. Nematoda
Which of the following is not a problem in the open water of the
mesopelagic or deep-sea?
A. Finding food
B. Salinity changes
C. High pressure
D. Finding mates
Which of the following is not a problem in the open water of the
mesopelagic or deep-sea?
A. Finding food
B. Salinity changes
C. High pressure
D. Finding mates
Extreme changes in temperature are not a physical characteristic
in which environment?
A. Deep sea vents
B. Tidal pools
C. Subtidal benthos
D. Salt marshes
Extreme changes in temperature are not a physical characteristic
in which environment?
A. Deep sea vents
B. Tidal pools
C. Subtidal benthos
D. Salt marshes
A. Phosphorus
B. Iron
C. Sulfur
D. Nitrogen
In salt marshes and estuaries, which nutrient is most often
limiting to primary production?
A. Phosphorus
B. Iron
C. Sulfur
D. Nitrogen
In salt marshes and estuaries, which nutrient is most often
limiting to primary production?
The predators with the biggest effects on entire infaunal
communities in the subtidal are:
A. Surface predators
B. Digging predators
C. Burrowing predators
D. Meiofauna
The predators with the biggest effects on entire infaunal
communities in the subtidal are:
A. Surface predators
B. Digging predators
C. Burrowing predators
D. Meiofauna
These subtidal benthic communities have high species
diversity and endemism
A. Antarctic
B. Arctic
C. Temperate
D. Onondaga Lake
These subtidal benthic communities have high species
diversity and endemism
A. Antarctic
B. Arctic
C. Temperate
D. Onondaga Lake
Kelp forests form throughout the world in:
A. Cold temperate waters with sandy bottoms
B. Cold temperate waters with hard bottoms
C. Warm temperate waters with sandy bottoms
D. Warm temperate waters with hard bottoms
Kelp forests form throughout the world in:
A. Cold temperate waters with sandy bottoms
B. Cold temperate waters with hard bottoms
C. Warm temperate waters with sandy bottoms
D. Warm temperate waters with hard bottoms
As you go deeper in the sediments through the redox
potential discontinuity, the redox potential changes rapidly from
A. Zero at surface to negative at depth
B. Zero at surface to positive at depth
C. Positive at surface to negative at depth
D. Negative at surface to positive at depth
As you go deeper in the sediments through the redox
potential discontinuity, the redox potential changes rapidly from
A. Zero at surface to negative at depth
B. Zero at surface to positive at depth
C. Positive at surface to negative at depth
D. Negative at surface to positive at depth
Most deep water abyssal animals are
A. Herbivores
B. Parasites
C. Primary producers
D. Scavengers
Most deep water abyssal animals are
A. Herbivores
B. Parasites
C. Primary producers
D. Scavengers
Many chemosynthetic organisms use as their primary
inorganic energy source
A. H2O
B. H2S
C. CO2
D. SeO2
Many chemosynthetic organisms use as their primary
inorganic energy source
A. H2O
B. H2S
C. CO2
D. SeO2
One example of allochthonous food sources in an estuary is:
A. Detritus from benthic diatoms
B. Detritus from estuarine phytoplankton
C. Detritus from seagrass beds
D. Detritus from rivers
One example of allochthonous food sources in an estuary is:
A. Detritus from benthic diatoms
B. Detritus from estuarine phytoplankton
C. Detritus from seagrass beds
D. Detritus from rivers
A. Osmoconformer at low salinities and an osmoregulator at high salinities
B. Osmoregulator at low salinities and an osmoconformer at high salinities
C. Always an osmoconformer
D. Always and osmoregulator
This organism is a:
A. Osmoconformer at low salinities and an osmoregulator at high salinities
B. Osmoregulator at low salinities and an osmoconformer at high salinities
C. Always an osmoconformer
D. Always and osmoregulator
This organism is a:
In the deep sea, most of the food is:
A. Autochthonous and evenly distributed
B. Autochthonous and patchily distributed
C. Allochthonous and evenly distributed
D. Allochthonous and patchily distributed
In the deep sea, most of the food is:
A. Autochthonous and evenly distributed
B. Autochthonous and patchily distributed
C. Allochthonous and evenly distributed
D. Allochthonous and patchily distributed
One adaptation of estuarine plants to high salinities is:
A. Aerenchyma
B. High rates of photosynthesis
C. Succulence
D. Strong root systems
One adaptation of estuarine plants to high salinities is:
A. Aerenchyma
B. High rates of photosynthesis
C. Succulence
D. Strong root systems
Which of the following is not a hypothesis to explain deep sea
diversity?
A. Stability time hypothesis
B. Keystone predation hypothesis
C. Cropper/disturbance hypothesis
D. Area hypothesis
Which of the following is not a hypothesis to explain deep sea
diversity?
A. Stability time hypothesis
B. Keystone predation hypothesis
C. Cropper/disturbance hypothesis
D. Area hypothesis
In which of the following communities is there little or no
chemosynthesis?
A. Rocky intertidal
B. Muddy intertidal
C. Deep sea vents
D. Cold seeps
In which of the following communities is there little or no
chemosynthesis?
A. Rocky intertidal
B. Muddy intertidal
C. Deep sea vents
D. Cold seeps
There are lots of periwinkles (gastropods) in the:
A. Supralittoral fringe
B. Midlittoral zone
C. Infralittoral fringe
D. Infralittoral zone
There are lots of periwinkles (gastropods) in the:
A. Supralittoral fringe
B. Midlittoral zone
C. Infralittoral fringe
D. Infralittoral zone
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