Exam 2

A  multipopulations, multi-populations, multipopulation, or multi-population

B  metapopulations, meta-populations, metapopulation, or meta-population

A  the end of the Mesozoic era

B  the middle of the “Precambrian” time

C  the end of the Cenozoic era

D  the end of the Paleozoic era

E  the beginning of the Paleozoic era

A  at the end of the Paleozoic era

B  throughout the Paleozoic era.

C  during the beginning of Earth’s history, at the start of the Hadeon eon.

D  throughout the Mesozoic era.

E  at the end of the Mesozoic era

A  The birth rate and the death rate are equal.

B  The birth rate exceeds the death rate and immigration exceeds emigration.

C  The death rate equals the birth rate and immigration is equal to emigration.

D  The carrying capacity is exceeded.

E  Emigration exceeds immigration and the birth rate equals the death rate.

A  20north, 20, 20 south, 20 north and south, 20N, twenty, 20N/S, 20 S, 20 north, or 20northandsouth

B  60north, 60, 60 south, 60 north and south, 60N, sixty, 60N/S, 60 S, 60 north, or 60northandsouth

C  30north, 30, 30 south, 30 north and south, 30N, thirty, 30N/S, 30 S, 30 north, or 30northandsouth

A  algal blooms

B  coral bleaching

C  flood

D  decline in limiting nutrient levels

E  zooplankton blooms

A  There is a high degree of overlap in prey preference between the carnivores in this community.

B  The carnivores in this community all occupy the same realized niche.

C  The differences in skull morphology are due to character displacement.

D  One of the carnivore species in this community will eventually competitively exclude the others.

E  The realized and the fundamental niches are the same for all of the carnivore species in this community.

A  Proterozoic eon

B  Mesozoic era

C  Cenozoic era

D  Paleozoic era

A  Proterozoic eon

B  Cenozoic era

C  Mesozoic era

D  Paleozoic era

A  Paleozoic era

B  Proterozoic eon

C  Cenozoic era

D  Mesozoic era

A  10,000J

B  1,000J

C  9,000J

D  100J

E  900J

F  90,000J

A  The evolution of photosynthesis

B  The origin of life

C  The formation of Earth’s oceans

D  The Cambrian Explosion

E  The origin of multicellularity

A  similar

B  independent

C  relevant

D  dependent

A  Predator

B  Commensalist

C  Endoparasite

D  Mutualist

E  Ectoparasite

A  respiration

B  decomposition

C  combustion

D  photosynthesis

A  fossil fuel use

B  wood burning

C  land management

D  agricultural practices

A  exponential

B  differential

C  high rate of

A  The two world wars and the AIDS crisis caused such massive mortality that the human population has stabilized.

B  Humans continue to find ways to enhance environmental quality, thus enabling more people to be supported.

C  Dramatic reductions in fertility rates ended population growth before the crisis point was reached.

D  The prediction was wrong; human populations can grow indefinitely.

E  Technological advances unforeseen at that time increased the carrying capacity to a greater extent and faster than predicted.

A  that they would likely be large in size.

B  that they would likely be small in size.

C  that they would require a large amount of parental care.

D  that they would have high survivorship.

A  The polar regions receive more light than the other latitudes due to the curvature of the globe.

B  The equator receives the highest concentration of light per unit area.

C  The latitudes tilted towards the Sun are able to support the highest amount of biodiversity.

D  The pattern of movement in the Ferrel cells drives the increased levels of biodiversity.

A  predation, commensalism

B  parasitism, commensalism

C  commensalism, parasitism

D  commensalism, mutualism

A  leaching

B  denitrification

C  nitrogen fixation

D  eutrophication

A  heterotrophs

B  detritivores

C  herbivores

D  autotrophs

A  parasitic worms in the digestive tract and salinity levels of drinking water

B  territory marking behavior with urine and parasitic worms in the digestive tract

C  salinity levels of drinking water

D  intense heat in the summer months

E  territory marking behavior with urine

A  decreased death rate

B  competition for resources

C  removal of predators

D  favorable climatic conditions

A  One with very high species diversity

B  One with relatively high species richness

C  One with uniformly spaced vegetation

D  One with relatively low species richness

E  One where the keystone species has been removed

F  One that lacks decomposers

A  unity

B  pelagic

C  clump, clumped

D  dominant

A  Without natural herbivores or competitors, C. taxifolia will grow rapidly and crowd out native species of producers.

B  C. taxifolia will grow rapidly, leading to an increase in diversity of producers.

C  C. taxifolia will have a hard time establishing itself because it will have to compete against native species of sea grasses, which are better adapted to the environment.

D  Because it is not in the Indian Ocean, its natural environment, C. taxifolia will not be able to grow efficiently.

A  Coriolis, coroilis, coreolis, corialis, corilis, corioles, coriolus, or corolis

B  gravity

C  aphotic

A  K-selected

B  Keystone

C  r-selected

D  Dominant

E  Pioneer

A  denitrification

B  eutrophication

C  bioremediation

D  nitrification

A  Littoral

B  Pelagic

C  Intertidal

D  Aphotic

A  Intertidal

B  Pelagic

C  Littoral

D  Aphotic

A  Littoral

B  Pelagic

C  Aphotic

D  Intertidal

A  Intertidal

B  Littoral

C  Aphotic

D  Pelagic

A  Type II

B  Type IV

C  Type I

D  Type III

A  competition between two species always causes extinction of one species

B  species will work together to exclude invaders

C  two species will stop reproducing until one species leaves the habitat

D  only the strong survive

E  two species cannot share the same niche in a habitat

A  energy consumers invest in finding prey

B  energy stored in new biomass of producers

C  energy invested in finding a mate

D  energy invested in any offspring

A  The cool, moist Pacific air heats up as it rises, releasing its precipitation as it passes the tops of the mountains. This warm, now dry air cools as it descends on the leeward side of the range.

B  The warm, moist Pacific air rises and cools, releasing precipitation as it moves up the windward side of the range. This cool, now dry air mass heats up as it descends on the leeward side of the range.

C  The cool, dry Pacific air heats up and picks up moisture from evaporation of the snowcapped peaks of the mountain range, releasing this moisture as precipitation when the air cools while descending on the leeward side of the range.

D  These air masses are blocked by the mountain ranges, producing high annual amounts of precipitation on the windward sides of these mountain ranges.

A  Trophic levels above this number contain too many individuals.

B  Top carnivores are too few in number to prey effectively.

C  The ecosystem contains too much biomass.

D  Most carnivores function at more than one trophic level.

E  Energy is lost from each trophic level.

A  upwelling

B  precipitation

C  turnover or seasonal turnover

A  marine biome

B  ecosystem ecology

C  estuary, estuaries

A  FALSE

B  TRUE

A  Its growth rate will first fall, but later recover.

B  Its birth and death rates will decrease simultaneously.

C  First, its birth rate will decrease, followed by its death rate.

D  First, its death rate will decrease, followed by its birth rate.

E  Its age structure will change, but its growth rate will remain unchanged.

A  intraspecific competition

B  a mutualistic symbiotic relationship

C  interspecific competition

D  a hybridization of species

E  a predator-prey relationship

A  Mass extinction is the term used when 25% of the species present are wiped out.

B  There have been 5 or 6 documented background extinction events in the current eon.

C  The largest mass extinction event is considered the end-Cretaceous extinction.

D  Background extinction can result from particularly strong competition or predation.

A  population ecology

B  community ecology

C  organismal ecology

D  ecosystem ecology

E  none of these options considers abiotic factors

A  contains the highest amount of biodiversity per unit area

B  warm all year round with extended drought periods

C  cointains permafrost in the soil impacting plant life

D  the largest terrestrial biome

E  the plant life here goes dormant, dropping leaves, during winter

A  the largest terrestrial biome

B  cointains permafrost in the soil impacting plant life

C  the plant life here goes dormant, dropping leaves, during winter

D  contains the highest amount of biodiversity per unit area

E  warm all year round with extended drought periods

A  warm all year round with extended drought periods

B  contains the highest amount of biodiversity per unit area

C  the largest terrestrial biome

D  cointains permafrost in the soil impacting plant life

E  the plant life here goes dormant, dropping leaves, during winter

A  the largest terrestrial biome

B  contains the highest amount of biodiversity per unit area

C  the plant life here goes dormant, dropping leaves, during winter

D  cointains permafrost in the soil impacting plant life

E  warm all year round with extended drought periods

A  Oak trees, which produce many offspring and mature late

B  Jellyfish, which produce many offspring that do not receive parental care

C  Dandelions, which disperse small seeds long distances on wind currents

A  primary succession

B  demography

C  resiliency

D  secondary succession

A  Precipitation

B  Soil pH

C  Depth

D  Volcanic activity

E  Correct. Precipitation is a key abiotic factor influencing the distribution of biomes.

A  mechanical defence

B  warning coloration

C  cryptic coloration

A  cryptic coloration

B  warning coloration

C  mechanical defence

A  cryptic coloration

B  warning coloration

C  mechanical defence

A  FALSE

B  TRUE

A  33

B  30

C  36

A  -0.06

B  .06

C  0.06

A  tuna

B  shark

C  shrimp

D  eel

E  phytoplankton

A  shark

B  shrimp

C  eel

D  phytoplankton

E  tuna

A  Energy returns to the lower trophic level.

B  Energy lost in undigested feces and energy returns to the lower trophic level.

C  Biomass is not consumed.

D  Energy is converted to dissipated heat from cellular respiration reactions.

E  Energy is converted to dissipated heat from cellular respiration reactions.
Energy lost in undigested feces.
Biomass is not consumed.

A  The fundamental and realized niches of the small bluegills are the same.

B  The fundamental and realized niches of the small bluegills are different.
The fundamental and realized niches of the medium bluegills are different.
The fundamental and realized niches of the large bluegills are the same.
The three sizes of bluegills all have the same fundamental niche as each other.

C  The fundamental niche of the small bluegills has decreased in the presence of predators.

D  The fundamental and realized niches of the small bluegills are different.

E  The fundamental and realized niches of the large bluegills are different.

F  The fundamental niche of the medium bluegills has decreased in the presence of predators.
The fundamental niche of the large bluegills has decreased in the presence of predators.