56 notecards = 14 pages (4 cards per page)
Which of the following levels of ecological organization is arranged
in the correct sequence from most to least inclusive?
Palm trees and subtropical plants are commonplace in Land's End,
England, whose latitude is the equivalent of Labrador in coastal
Canada where the local flora is subarctic. Which statement best
explains why this apparent anomaly exists between North America and
The main reason polar regions are cooler than the equator is that
Which of the following environmental features might influence
Which of the following are important biotic factors that can affect
the structure and organization of biological communities?
The growing season would generally be shortest in which of the
A population is correctly defined as having which of the following characteristics?
I. inhabiting the same general area
A) I only
An ecologist recorded 12 white-tailed deer, Odocoileus virginianus,
per square mile in one woodlot and 20 per square mile in another
woodlot. What was the ecologist comparing?
Which of the following groups would be most likely to exhibit uniform
Exponential growth of a population is represented by dN/dt =
A. SEE IMAGE
Logistic growth of a population is represented by dN/dt =
A. SEE IMAGE
Carrying capacity is
Which of the following is characteristic of K-selected populations?
Which curve best describes survivorship in marine molluscs?
Which curve best describes survivorship in a marine crustacean that
Which curve best describes survivorship in humans who live in
Which population(s) is (are) in the process of decreasing?
Which population(s) appear(s) to be stable?
Assuming these age-structure diagrams describe human populations, in
which population is unemployment likely to be a societal issue in the
Assuming these age-structure diagrams describe human populations,
which population(s) is (are) likely to experience zero population
A population's carrying capacity
According to the logistic growth equation
A) the number of individuals added per unit time is greatest when N
is close to zero.
During exponential growth, a population always
Which of the following statements about human population in
industrialized countries is incorrect?
According to the competitive exclusion principle, two species cannot
continue to occupy the same
Which of the following is an example of Batesian mimicry?
Which of the following is an example of aposematic coloration?
Dwarf mistletoes are flowering plants that grow on certain forest
trees. They obtain nutrients and water from the vascular tissues of
the trees. The trees derive no known benefits from the dwarf
mistletoes. Which of the following best describes the interactions
between dwarf mistletoes and trees?
Evidence shows that some grasses benefit from being grazed. Which of
the following terms would best describe this plant-herbivore
Which of the following terms is used by ecologists to describe the
community interaction where one organism makes the environment more
suitable for another organism?
In a tide pool, 15 species of invertebrates were reduced to eight
after one species was removed. The species removed was likely a(n)
Which of the following is the most accepted hypothesis as to why
invasive species take over communities into which they have been
During the course of the formation of a parasite/host relationship, a
critical first step in this evolution would be
Which letter represents an organism that could be a
Which letter represents an organism that could be a primary
The principle of competitive exclusion states that
Ecology as a discipline directly deals with all of the following levels of biological organization except
Which statement best contrasts environmentalism with ecology?
A) Ecologists study organisms in environments that have been undisturbed by human activities; environmentalists study the effects of human activities on organisms.
B) Ecology is the study of the environment; environmentalism is the study of ecology.
C) Ecology provides scientific understanding of current living things and their environment; environmentalism is mainly about conservation and preservation of life on Earth.
D) Environmentalists are only involved in politics and advocating for protecting nature; ecologists are only involved in scientific investigations of the environment.
E) Environmentalism is devoted to applied ecological science; ecology is concerned with basic/theoretical ecological science.
Where would an ecologist find the most phytoplankton in a lake?
A) profundal zone
B) oligotrophic zone
C) photic zone
D) benthic zone
E) aphotic zone
The most important factor affecting the distribution of biomes is
A) wind and ocean water current patters
B) proximity to large bodies of water
C) day length and rainfall
D) species diversity
An area which different terrestrial biomes grade into each other is known as a
A) abyssal zone
B) littoral zone
D) vertically stratified canopy
Tropical grasslands with scattered trees are also known as
B) temperate plains
which type of biome would most likely occur in a climate with mild, rainy winters and hot, dry summers with an ofter fires?
E) temperate grassland
Which of the following is a prime cause of Earth's seasons?
A) global wind patterns
B) the tilt of Earths axis
C) changes in Earth's distance from the sun
D) global air circulation
E) ocean currents
A table listing such items as age, observed number of organisms alive each year, and life expectancy is known as a
A) rate table
B) survivorship table
C) mortality table
D) life table
E) insurance table
You are observing a population of lizards when you notice that the number of adults has increased and is higher than previously very recently observed. One explanation for such an observation would include
A) reduction in death rate.
B) increased immigration.
C) decreased emigration.
D) increased birth rate.
E) increased emigration.
Demography is the study of
A) life expectancy of individuals within a population.
B) the vital statistics of populations and how they change over time.
C) reproductive rates of a population during a given year.
D) death and emigration rates of a population at any moment in time.
E) the survival patterns of a population.
Which of the following is the pattern of spacing for individuals within the boundaries of the population?
E) Allee effect
A species of fish is found to require a certain water temperature, a particular oxygen content of the water, a particular depth, a rocky substrate on the bottom, and a variety of nutrients in the form of microscopic plants and animals to thrive. These requirements describe its
A) ecological niche.
B) home base.
C) resource partition.
D) prime habitat.
E) dimensional profile.
Which of the following types of species interaction is correctly paired with its effects on the density of the two interacting populations?
A) mutualism: both decrease
B) predation: as one increases, the other increases
C) competition: both increase
D) parasitism: both decrease
E) commensalism: as one increases the other stays the same
The species richness of a community refers to the
A) complexity of the food web.
B) total number of all organisms.
C) the bottom-heavy shape of the energy pyramid.
D) relative numbers of individuals in each species.
E) number of different species.
The dominant species in a community is
A) the best competitor in the community.
B) the best predator in the community.
C) the species that contributes the most biomass to the community.
D) characterized by very large individuals with long lives.
E) the most energetically efficient species in the community.
Which of the following describes the relationship between ants and acacia trees?
If global warming continues at its present rate, which biomes will likely take the place of the coniferous forest (taiga)?
A) temperate broadleaf forest and grassland
B) desert and chaparral
C) tundra and polar ice
D) tropical forest and savanna
E) chaparral and temperate broadleaf forest
Which marine zone would have the lowest rates of primary productivity (photosynthesis)?
D) continental shelf
If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earth's surface by 70% for one year, all of the following marine communities most likely would be greatly affected except
A) coral reef communities.
B) estuary communities.
C) pelagic communities.
D) benthic communities.
E) deep-sea vent communities.