question

The sum of all Earth's ecosystems is called the ___. a. Stratosphere b. Biome c. Biosphere d. Thermosphere

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c

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___ is concerned with changes in population size and the factors that regulate populations over time. a. Population ecology b. Community ecology c. Behavioral ecology d. Ecology e. Conservation biology

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a

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When a graylag goose makes the motion to move an egg back to its nest, even though the egg has been removed, it is executing ___. a. Problem solving b. Paternal care c. Habituation d. A fixed action pattern

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d

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___ is credited with raising environmental awareness by writing the book Silent Spring. a. E.O. Wilson b. John Muir c. Rachel Carson d. Jane Goodall

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c

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____ are the driest of all terrestrial biomes. a. Deserts b. Temperate grasslands c. Savannas d. Coniferous forests

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a

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The greatest annual input and least seasonal variation in solar radiation take place in the ___. a. Tropics b. Polar regions c. Northern Hemisphere d. Southern Hemisphere

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a

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The ____ occur when dry air that descended at 30* latitude spreads toward the equator. a. Trade winds b. Westerlies c. Polar winds d. Doldrums

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a

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A ____ mating system occurs when an individual of one sex mates with several of the other. a. Promiscuous b. Polygamous c. Monogamous d. Precocial

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b

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When you successfully study with the stereo on in the background, you are demonstrating ___. a. Habituation b. Imprinting c. Association d. Imitation

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a

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When a juvenile bird gives up its chance to mate in order to help its parents to raise its siblings, it is demonstrating ___. a. Altruism b. Natural Selection c. Reciprocal aid d. A hierarchy

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a

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___ studied primate behavior and discovered dominance hierarchies. a. Konrad Lorenz b. Nikolaas Tinbergen c. Rachel Carson d. Jane Goodall

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d

question

Assume that there are 5 alligators per hectare in a swamp in northern Florida. This is a measure of the alligator population's ____. a. Range b. Density c. Dispersion d. Intrinsic rate of increase

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b

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A network of interconnecting food chains is called a ____. a. Trophic pyramid b. Trophic level c. Food web d. Biogeochemical cycle

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c

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An ecosystem consists of ___. a. All the living organisms in an environment b. All biotic and abiotic factors in an environment c. One individual living entity d. All the abiotic factors in the environment

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b

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The max number of individuals a habitat can support is indefinitely called the ___. a. Community size b. Population growth c. Carrying capacity d. Limiting factor

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c

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What will be the approximate shape of the age-structure diagram of a population that is likely to increase in the coming years? a. An hour glass b. An inverted pyramid c. A circle d. An upright pyramid

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d

question

The sum total of a species' use of the biotic and abiotic resources of its habitat constitutes its ___. a. Environment b. Ecological niche c. Range d. Distribution

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b

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An animal species, such as a squirrel, that has a constant mortality over its lifespan exhibits a ___ survivorship curve. a. Type I b. Type II c. Type III d. Type IV

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b

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Coloration to blend in with tree bark allows gray tree frogs to avoid being eaten by predators. This is an example of ___. a. Warning coloration b. Character displacement c. Camouflage d. Mimicry e. Mechanical defenses

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c

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Today, the single greatest threat to biodiversity is ____. a. Global warming b. Primary succession c. Exotic species introduction d. Habitat destruction

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d

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Two of the most productive ecosystems are ____ and ____. a. Open ocean; temperate grassland b. Savanna; tundra c. Tropical rainforest; coral reefs d. Desert; estuary e. Cultivated land; open ocean

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c

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Kangaroos are found only in Australia. Thus, kangaroos are said to be ____ to Australia. a. Extirpative b. Exotic c. Endemic d. Alien

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c

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Chlorofluorocarbons (CFCs) ____. a. Are used as pesticides b. Are a useful energy source c. Add to acid rain d. Deplete the ozone layer

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d

question

Which of the following is NOT an example of restoration ecology? a. Preserving genetic diversity through captive breeding programs b. Replanting native vegetation c. Removing invasive species d. Returning waterways to their natural course

answer

a

question

____occurs when fossil fuels in the air cause infrared light to be reflected back to the earth. This causes the earth's temperature to ____. a. The greenhouse effect; cool b. The greenhouse effect; warm c. Ozone deletion; cool d. Ozone depletion; warm

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b

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____ is the scientific study of interactions between organisms and their environment. a. Evolutionary biology b. Pathology c. Ecology d. Biochemistry

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c

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In the mid 1900s, the most widely used chemical pesticide was ___. a. DDT b. Roundup c. Gemaxane d. Raid

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a

question

Seasonal variation on earth is caused by ___. a. Uneven distribution of sunlight b. The trade winds c. Earth's tilt d. Doldrums

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c

question

The ____ is an example of an environmental influence on behavior. a. Impala b. Norway rat c. Fruitless gene d. Meadow vole and prairie vole

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b

question

When moist air ascends in the tropics, ______. a. More moisture is absorbed b. Moisture is released as rain c. The moisture level does not change d. The region becomes dry

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b

question

A group of individuals of a single species that occupies the same general area defines a(n) ___. a. Population b. Community c. Ecosystem d. Biome

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a

question

Global change affects ___. a. Biomes b. Ecosystems c. Communities d. All of the above

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d

question

When a baby reflexively grabs something that is placed in its hand, this is an example of ___. a. Imitation b. Innate behavior c. Imprinted behavior d. Habituation

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b

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If forest A has 80% oak trees and 20% conifers, but forest B has 50% of each, the 2 forests differ in ___. a. Ecological niches b. Species richness c. Community richness d. Relative abundance

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d

question

The feeding relationships among the species of a community are the community's ___. a. Niche b. Diversity c. Trophic structure d. Richness

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c

question

When geese follow around a human instead of their mother, this is an example of ___. a. Habituation b. Imprinting c. Association d. Imitation

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b

question

Freshwater and seawater mix in a(n) ___. a. Littoral zone b. Benthic zone c. Pelagic zone d. Estuary

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d

question

A community is composed of ____. a. One species of organism living in one particular environment b. Living organisms and their nonliving environment c. All the factors that constitute an organism's niche d. Potentially interacting populations of different species of organisms

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d

question

The modification of behavior based upon specific experiences defines ____. a. Learning b. Habituation c. Conditioning d. Imprinting

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a

question

A grayling butterfly will normally fly toward the sun. This is an example of ___. a. Migration b. Phototropism c. Taxis d. Kinesis

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c

question

A ____ survivorship curve is when many young die before adulthood, but once they are adults survivorship is high. a. Type I b. Type II c. Type III d. Density-dependent

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c

question

____ is an interspecific interaction that benefits both species. a. Competition b. Mutualism c. Parasitism d. Herbivore

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b

question

What will be the approximate shape of the age-structure diagram of a decreasing population? a. An hourglass b. An inverted pyramid c. A circle d. An upright pyramid

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b

question

The type of growth illustrated by the human race during the past 2,000 years is ___. a. Exponential b. Logistic c. Linear d. Z-shaped

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a

question

Coevolution is an outcome of ____ between 2 species. a. Competitive exclusion b. Niche compartmentalization c. Resource partitioning d. Reciprocal adaptation

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d

question

What type of diversity results in the raw material upon which natural selection can act? a. Species diversity b. Ecosystem diversity c. Genetic diversity d. Habitat diversity

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c

question

What generally flows in one direction through an ecosystem, from producers up through each level of consumers, and is not recycled? a. Water b. Carbon c. Sunlight d. Energy

answer

d

question

___ involves harvesting wildlife at rates that exceed the ability of populations to rebound a. Habitat destruction b. Invasive species c. Overexploitation d. Global warming

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c

question

Burning fossil fuels and deforestation have resulted in an increase in the concentration of ___ in the atmosphere, which may be causing the global climate to change. a. CO2 b. O3 c. NO2 d. DDT

answer

a

question

Cane toads are an example of a(n) ___. a. Invasive species b. Native species c. Successful biological control d. None of the above

answer

a

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