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APES: Unit 1 Quiz Questions
Terms in this set (47)
What factors are used to classify a biome?
Average temperature, average precipitation, and distinctive plants adapted to area
What aquatic biome is found in warm, shallow, and nutrient-low waters beyond the shoreline and is the most diverse marine biome?
Why do the boreal forests have a thick layer of organic material but are nutrient poor?
low precipitation rates and cold temperatures slow decomposition
What biome has some low-growing vegetation, but cannot support trees because of a permanently frozen layer of soil?
What biome has warm temperatures, high precipitation, and little seasonal variation due to its location near the equator?
Plant growth in which of the following biomes is primarily constrained by precipitation? (temperate deciduous forest, temperate rain forest, coniferous forest, temperate grasslands, tundra)
Which of the following is not an important ecosystem service provided by wetlands? (food control, breeding habitat for birds, migratory habitat for birds, water filtration, seed dispersal for plants)
seed dispersal for plants
What biome is primarily found around 30° N or 30° S and characterized with a hot and dry climate with plants that are adapted to prevent water loss?
What biome is characterized by the presence of permafrost?
What biome has the highest soil nutrient content (most fertile)?
Temperate deciduous forest
Which biome contains a limnetic zone where phytoplankton are found and high productivity occurs?
How do parasites differ form predators?
Parasites live on or within their prey
The roots of many plants are infected with a specialized fungus. The plant supplies carbon to the fungus, and the fungus supplies nutrients to the plant. How can this relationship be classified?
In the past century, overgrazing on native grass species by cattle and sheep has caused sagebrush to expand its range over the Colorado Plateau grasslands. This phenomenon indicates that...
the range of sagebrush is normally limited by competition with grasses
On the slopes of the Appalachian Mountains, ecologists have studied some closely related salamander species for decades. When these salamander species live in separate valleys they tend to have very similar food size choices. When these species co-exist in a mountain valley, their food choices tend to differ, with some species selecting small insects and others selecting larger insects. This may be an example of...
Tapeworms in the human gut are an example of...
A close interaction between two different species, in which one species benefits and the other in unaffected, is called...
Two species of buttercup can be found in the same field in South Dakota. One species flowers in early spring, and the other species flowers in late summer. Both are pollinated by the same insect species. The different flowering times are an example of...
Temporal Niche Partitioning
When an insect eats the leaves on a tree in your yard, it is engaging in ____________ which is a type of ____________
The principle that two species competing for the same limiting resource cannot occupy the same realized niche is called....
When competition occurs between two species with the same ecological niche...
one species will preform better and drive the other to extinction
a biologist who studies interactions at the community level investigates interactions between...
populations of one or more species
Niche partitioning _________ competition in an ecosystem and therefore __________ biodiversity
A forest has a GPP of 3.8 kg C/m2/year and the rate of cellular respiration is 2.4 kg C/m2/year. What is the NPP?
1.4 kg C/m2/year
What is the approximate rate of efficiency of the energy transfer as energy flows through the food chain?
Approximately how much of the potential energy available from the sun's rays hitting earth is used in photosynthesis?
What are the products of photosynthesis?
oxygen and glucose
What is net primary production?
amount of energy available in the producers after respiration
What is another name for a consumer?
How is the majority of energy within an ecosystem lost?
What group of organisms preforms photosynthesis?
What is needed for photosynthesis (reactants)?
Water, solar energy, and carbon dioxide
What is gross primary production?
the total amount of solar energy that producers capture via photosynthesis
During what stage of the hydrologic cycle is water released to the atmosphere from plants?
transpiration or evapotranspiration
In the hydrologic cycle, evaporation is caused by heat from what?
Water that moves across the surface of the land into streams and rivers is called...
What element is the primary component of fossil fuels?
Which is not part of the carbon cycle? (transpiration, combustion, photosynthesis, extraction, respiration)
What activity is constantly changing the carbon cycle?
combustion of fossil fuels
What is a possible result of an increased amount of CO2 in the atmosphere? (increased precipitation, decreased photosynthesis, increase in global temperature, decrease in cellular respiration, increase in formation of fossil fuels)
increase in global temperature
What is the affect of deforestation on the carbon cycle?
increase in the amount of CO2 in the atmosphere
Which element is the most abundant in the atmosphere? (Oxygen, Nitrogen, Phosphorus, Sulfur, Hydrogen)
In an ecosystem, a specialized type of bacteria that can convert nitrate into nitrogen gas suddenly dies out. Without these bacteria, which process would be directly affected first? (Nitrogen Fixation, Nitrification, Assimilation, Mineralization, Denitrification)
What happens during nitrogen fixation?
Atmospheric nitrogen gas is converted into ammonium or nitrate
What is the major source of phosphorus on land?
Compounds released from the weathering of rocks
Which of the following nutrients is not primarily found as a gas in the atmosphere, but rather as a mineral in rocks? (Carbon, Nitrogen, Phosphorus, Water)
Which of the following nutrients are considered limiting nutrients for plants and are the primary components of synthetic fertilizers used on lawns and agriculture? (Carbon & Water, Nitrogen & Carbon, Nitrogen & Phosphorus, Phosphorus & Water)
Nitrogen and Phosphorus
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