Quiz Questions Unit 2 Flashcards
Zero population growth happens when
A) birth rates equal death rates.
B) birth rates are higher than death rates.
C) death rates equal immigration rates.
D) birth rates are lower than death rates.
A) birth rates equal death rates.
Worldwide, most human populations are located close to:
A) mountains.
B) deserts.
C) oceans or rivers.
D) rainforests.
C) oceans or rivers.
What is a significant pronatalist pressure in less developed countries like India?
A) the immigration rate
B) replacement fertility rate
C) childhood mortality rate
D) population momentum
C) childhood mortality rate
Of all the factors cited for Kerala’s high quality of life and decreasing population rates, _____ ranked as the most significant.
A) increased child welfare
B) education of women
C) access to health care
D) land reform policies
B) education of women
The reason that economic stability leads to population stability is due to:
A) increased death rates.
B) cultural norms.
C) more money.
D) better health.
D) better health.
When did the world’s urban population exceed that of its rural population?
A) 2004
B) 2008
C) 1986
D) It hasn’t happened yet
B) 2008
What is the urban heat island effect?
A) when urban areas are warmer than the surrounding countryside
B) when countries build cities on islands
C) when islands cause heat waves that reach the urban areas
D) when the surrounding countryside is warmer than the urban areas
A) when urban areas are warmer than the surrounding countryside
Environmental justice is the concept that:
A) most communities have only a few people deciding what is best for their environment.
B) access to a clean, healthy environment is a basic human right.
C) everyone should be living in an urban area.
D) amenities can be placed anywhere as long as everyone can reach them.
B) access to a clean, healthy environment is a basic human right.
Which of the following explains why urban dwellers typically have a lower ecological footprint than suburban dwellers?
A) fewer problems with waste disposal
B) more mass transit travel
C) more personal vehicle travel
D) larger living spaces in multifamily buildings
B) more mass transit travel
What is a societal benefit of green spaces?
A) stormwater runoff reduction
B) wildlife habitat
C) community involvement
D) physical activity opportunities
C) community involvement
Clown fish generally have what type of symbiotic relationship with sea anemones?
A) Facultative mutualism.
B) Obligate mutualism.
C) Obligate commensalism.
D) Facultative parasitism.
A) Facultative mutualism.
Community ecologists study all of the _____ in a specific area.
A) nutrient cycles
B) environments
C) populations
D) biomes
C) populations
The role a species plays in its community, including how it receives energy and nutrients is called its:
A) population.
B) niche.
C) ecology.
D) habitat.
B) niche.
Which of the following is a characteristic of a niche generalist?
A) has a specific food source
B) cannot switch food sources
C) has a very specific habitat
D) uses a wide variety of resources
D) uses a wide variety of resources
A species that is vulnerable to ecosystem changes and can give us advance warning of a problem in that ecosystem is a/an:
A) keystone species.
B) food chain species.
C) indicator species.
D) producer species
C) indicator species.
What effect does higher species richness and evenness generally have on a community?
A) There is less matter and energy brought into the community.
B) The community has a simpler food web.
C) The community is less likely to collapse in a disaster.
D) There is less overall diversity in the community
C) The community is less likely to collapse in a disaster.
Students inventoried the species of trees in a patch of forest near their school. They counted 55 trees and identified 12 different species of trees. Most of the 55 individual trees were either red oaks or scarlet oaks; other species were represented by less than 3 individuals each. They then inventoried a patch of forest of equal size in a nearby national forest and found 80 trees representing 28 species of trees, and there were 2 - 4 individual trees for each species in the patch.
Compared to the forest near the school, the national forest has:
A) lower species richness but greater species evenness.
B) lower species richness and evenness.
C) greater species richness but lower species evenness.
D) greater species richness and evenness.
D) greater species richness and evenness.
A new neighborhood is being built in a woodland area. Many of the woodland trees are removed to create space for the neighborhood. Which of the following would increase as a result of this development?
A) species diversity
B) core habitat
C) pioneer species
D) edge habitat
D) edge habitat
When individuals of the same species are trying to get a limited resource for themselves, what is the interaction called?
A) resource partitioning
B) intraspecific competition
C) commensalism
D) interspecific competition
B) intraspecific competition
Pioneer species usually seen in primary succession are:
A) grasses.
B) lichens.
C) trees.
D) small shrubs.
B) lichens.
The variety of all life on Earth is called
A) biodiversity.
B) ecological diversity.
C) genetic diversity.
D) community diversity.
A) biodiversity.
Which taxonomic group has the most known species (and probably the most total species, if we had a tally of them all)?
A) plants
B) worms
C) vertebrates
D) insects
D) insects
The most biodiverse ecosystems of the world include which of the following?A) boreal forests
B) open ocean
C) tropical rain forests
D) deserts
C) tropical rain forests
Which of the following is an ecosystem supporting service?
A) wool
B) fuel
C) pollination
D) pharmaceuticals
C) pollination
