2425584
Descripción
Test por Shirley Zhu, actualizado hace más de 1 año
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Creado por Shirley Zhu
hace más de 9 años
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Pregunta 1
Pregunta
What is the relationship between a tapeworm and a dog?
Respuesta
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Mutualism
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Parasitism
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Commensalism
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Resource partitioning
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Agonistic behavior
Pregunta 2
Pregunta
What type of relationship best describes lichens?
Respuesta
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Mutualism
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Parasitism
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Commensalism
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Resource partitioning
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Agonostic behavior
Pregunta 3
Pregunta
What type of relationship is formed between mycorrhizal fungi and plant roots?
Respuesta
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Mutualism
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Parasitism
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Commensalism
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Resource partitioning
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Agonistic behavior
Pregunta 4
Pregunta
What could result from an overlap in the niches of two closely related species?
Respuesta
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Mutualism
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Parasitism
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Commensalism
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Resource partitioning
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Agonistic behavior
Pregunta 5
Pregunta
Which type of relationship is characterized by benefiting one organism and producing no harm or advantage to the other?
Respuesta
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Mutualism
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Parasitism
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Commensalism
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Resource partitioning
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Agnostic behavior
Pregunta 6
Pregunta
What word best represents ritualized contests that determine which competitor gains access to food or mates?
Respuesta
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Mutualism
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Parasitism
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Commensalism
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Resource partitioning
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Agonostic behavior
Pregunta 7
Pregunta
Which type of biome is characterized by rapid recycling of nutrients?
Respuesta
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Tropical rainforest
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Taiga
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Tundra
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Savana
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Temperate deciduous (broadleaf) forest
Pregunta 8
Pregunta
Which biome has the least amount of moisture?
Respuesta
-
Tropical rainforest
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Taiga
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Tundra
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Savanna
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Temperate deciduous (broadleaf) forest
Pregunta 9
Pregunta
What biome is characterized by permafrost?
Respuesta
-
Tropical rainforest
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Taiga
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Tundra
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Temperate deciduous (broadleaf) forest
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Savanna
Pregunta 10
Pregunta
What biome consists of mainly grassland with a few trees?
Respuesta
-
Tropical rainforest
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Taiga
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Tundra
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Savanna
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Temperate deciduous (broadleaf) forest
Pregunta 11
Pregunta
What biome is characterized with having high levels of light on the forest floor in early spring?
Respuesta
-
Tropical rainforest
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Taiga
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Tundra
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Savanna
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Temperate deciduous (broadleaf) forest
Pregunta 12
Pregunta
What biome has distinct rainy and dry seasons?
Respuesta
-
Tropical rainforest
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Taiga
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Tundra
-
Savanna
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Temperate deciduous (broadleaf) forest
Pregunta 13
Pregunta
What biome is characterized by evergreens?
Respuesta
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Tropical rainforest
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Taiga
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Tundra
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Savanna
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Temperate deciduous (broadleaf) forest
Pregunta 14
Pregunta
What process is performed by bacteria that live in the nodules of legume plants?
Respuesta
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Nitrogen fixation
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Denitrification
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Excretion
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Assimilation
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Ammonification
Pregunta 15
Pregunta
What process converts atmospheric nitrogen into ammonia?
Respuesta
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Nitrogen fixation
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Denitrification
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Exretion
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Assimilation
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Ammonification
Pregunta 16
Pregunta
What is the name of the process that returns gaseous nitrogen back into the atmosphere?
Respuesta
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Nitrogen fixation
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Denitrification
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Excretion
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Assimilation
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Ammonification
Pregunta 17
Pregunta
What process results in urea, uric acid and ammonia being deposited into the soil?
Respuesta
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Nitrogen fixation
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Denitrification
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Excretion
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Assimilation
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Ammonification
Pregunta 18
Pregunta
What process is characterized by plants taking up ammonium and nitrates to build amino acids and nitrogenous bases?
Respuesta
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Nitrogen fixation
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Denitrification
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Excretion
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Assimilation
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Ammonification
Pregunta 19
Pregunta
What is the process in which nitrogen-containing organic molecules are broken down, and NH3 is released?
Respuesta
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Nitrogen fixation
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Denitrification
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Excretion
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Assimilation
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Ammonification
Pregunta 20
Pregunta
In which of the following organisms would one expect to find the greatest concentration of mercury (a harmful metal pollutant)?
Respuesta
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Seaweed
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Plankton
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Minnows
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Bass
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Tuna
Pregunta 21
Pregunta
All of the following are true statements about the biomass pyramid EXCEPT
Respuesta
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The base of the pyramid represents primary consumers.
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The amount of biomass at any trophic level is dependent on the trophic level below it.
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Biomagnification occurs at the top trophic levels.
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Decomposers can feed at several trophic levels.
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The biomass of a trophic level is the dry mass of all the organisms present in that trophic level.
Pregunta 22
Pregunta
A fast-moving stream is most likely to
Respuesta
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be eutrophic.
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be susceptible to algal blooms.
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show thermal stratification.
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have high levels of dissolved oxygen.
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have a high salinity.
Pregunta 23
Pregunta
All of the following represent mutualistic associations in ecosystems EXCEPT
Respuesta
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Legume plants with nodules containing nitrogen-fixing bacteria
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Aphids that feed on phloem sap
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Cellulose-digesting microorganisms in the termite gut
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Mycorrhizal fungi
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Lichens
Pregunta 24
Pregunta
A species of ant protects an acacia tree from a specific predator. The acacia tree has specialized storage areas in which these ants live. This is an example of
Respuesta
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coevolution.
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convergent evolution.
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homologous structures.
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analogous structures.
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speciation.
Pregunta 25
Pregunta
Which of the following organisms can feed at more than one trophic level?
Respuesta
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Ominvores
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Detritivores and decomposers
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Producers
Pregunta 26
Pregunta
Which of the following are correctly paired?
Respuesta
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Imprinting: your mother recognizes a long-lost friend after 10 years of separation
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Trial and error : your cat runs into the kitchen when it hears a can of food being opened
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Operant conditioning : your dog brings you your slippers for a treat
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Habituation : you are startled every time your sister slams the dorr
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Fixed-action pattern : a fish learns not to strike at a rubber worm
Pregunta 27
Pregunta
A farmer is concerned about the poor yields of her indoor crops. Possible remedies include all of the following EXCEPT
Respuesta
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Rotate the crops, planting legumes with each rotation
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Inoculate the soil with a fungus that forms mycorrhizal associations with plants
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Increase the concentration of carbon dioxide in the air
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Increase the concentration of oxygen in the air
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Make sure the water contains minerals such as phosphorus and sulfur
Pregunta 28
Pregunta
Which of the following is TRUE regarding the flow of energy and nutrients in an ecosystem?
Respuesta
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Energy and nutrients are both recycled.
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Energy is recycled, but only 10 percent of the nutrients from one trophic level are transferred to the one above it.
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Nutrients are recycled, but energy is lost from every trophic level.
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Nutrients accumulate at the highest trophic levels, and energy is lost at each trophic level.
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Neither nutrients nor energy are recycled in an ecosystem.
Pregunta 29
Pregunta
Mt. Saint Helens, a North American volcano, erupted in May 1980. The eruption wiped out everything within a 200-square-mile radius of the volcano. Today, small trees, grasses, shrubs, and several animals including secondary consumers inhabit the area. Which of the following est explains this situation?
Respuesta
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Evolution
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Natural selection
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Eutrophication
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R-selection
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Succession
Pregunta 30
Pregunta
Which of the following illustrates a biotic aspect of an ecosystem?
Respuesta
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Elephants have a low metabolic rate compared to other mammals.
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Pine trees will not grow in saltwater.
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Monarch butterflies only live where milkweed plants grow.
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Some conifers will grow only where forest fires scorch their seeds.
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Trout prefer to live in cold water.
Pregunta 31
Pregunta
An ecologist studying how the invasive kudzu plant affects the population dynamics of native plants is focusing on the
Respuesta
-
population.
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biome.
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ecosystem.
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community.
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individuals.
Pregunta 32
Pregunta
All of the following are characterisitics of an ideal pioneer species EXCEPT
Respuesta
-
R-selected life history
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Can withstand harsh conditions
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Producer
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Effective competitor
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Maximizes reproductive opportunities
Pregunta 33
Pregunta
Which of the following sea creatures might be described as a pelagic animal of the aphotic zone?
Respuesta
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A coral
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Kiwa hirsuta, a crustacean near a deep-sea hydrothermal vent
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An intertidal sea anemone
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A deep-sea squid
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A harbour seal
Pregunta 34
Pregunta
Ted was a passenger on a plane that took off from New York, flew over temperate deciduous forest, then grassland and desert, then arrived at an airport in chaparral. Ted was flying
Respuesta
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nonstop to southern Washington State.
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nonstop to southern California.
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nonstop to western Florida.
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to Nevada, then transferred to a plane flying into Oregon.
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to Oregon, then transferred to a plane flying into Nevada.
Pregunta 35
Pregunta
The primary ecological factor determining the distribution of deserts on the planet is
Respuesta
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wind.
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elevation.
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temperature.
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moisture.
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scarcity of living things.
Pregunta 36
Pregunta
Heliconius butterflies live on passionflower vines. Females of some Heliconius species avoid laying their bright yellow eggs on leaves where other yellow egg clusters have been laid. Some species of passionflowers develop large, yellow nectaries that resemble Heliconius eggs. Which of the following terms most acuratel explains the relationship between the Heliconius butterfly and the passionflower vine?
Respuesta
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Adaptive radiation
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Coevolution
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Counterevolution
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Mutualism
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Mutation
Pregunta 37
Pregunta
All of the following statements concerning the relationship between angiosperms and their insect pollinators are true EXCEPT
Respuesta
-
Flower parts may resemble the female of some insect species.
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Insects assist in pollinating flowers by carrying seeds from one plant to another.
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Brightly colored flowers are the result of coevolution between plants and insects.
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Nectar produced by some flowers serves to attract insect pollinators.
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Insects that pollinate brightly colored flowers probably have color vision.
Pregunta 38
Pregunta
The orange and black monarch butterfly feeds on the milkweed plant, which contains a cardiac glycoside that is poisonous to birds. The viceroy butterfly has the same wing coloration as the monarch but does not feed on the milkweed plant. Animals avoid eating both kinds of butterflies. The coloration on the viceroy is an example of
Respuesta
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mutation.
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learning.
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pattern formation.
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mimicry.
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sexual selection.
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