Unit 1 Review
Quiz by Russ Drylie
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- Q1
Five different species of warblers, seed-eating birds, live in the same species of conifer trees. All of the birds migrate to coniferous forests during the summer, and different species reside in different areas in the same tree. They feed on the seeds of the conifer trees, but the different species do not mate with each other.
Which of the following best explains why the different warbler species can all have habitats in the same conifer trees?
Niche overlap occurs between the five different species, and living in the same tree increases competition for seeds.
Resource partitioning of the seeds reduces competition, and the five different species can live in the same tree.
Not all the warblers are residents in the forest at the same time of the year because of different migration patterns.
Physiological differences in beak structure allow the warblers to consume different species of seeds through symbiotic relationships.
60s - Q2
In a fish species, the number of eggs that hatch and survive for one year varies depending on the number of eggs that were produced. As the number of eggs produced increases past a threshold number, the survival rate of the offspring decreases. Which of the following statements best explains why only a limited number of offspring can survive in a fish population?
Resource partitioning allows similar species to coexist in the same ecological community.
The number of fish surviving after one year is proportional to the number of eggs produced.
The chance of survival decreases when there is intraspecific competition for resources among surviving yearlings.
More yearling fish survive beyond one year when there is an abundance of prey species present.
60s - Q3
Which of the following best describes a symbiotic relationship?
Striped bass and bluefish eat the same variety of mackerel.
Intestinal bacteria inhabit the gut of humans.
Mountain lions feed on white-tailed deer.
Marsupial animals carry their young in a pouch.
60s - Q4
This biome contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year-round.
Desert
Boreal forest
Tropical rain forest
Savanna
60s - Q5
This biome is characterized by long dry seasons and is dominated by grasses, shrubs, and grazing animals.
Savanna
Tropical rain forest
Boreal forest
Desert
60s - Q6
This biome is warm and wet, with little seasonal variation in temperature and frequent precipitation.
Boreal forest
Savanna
Desert
Tropical rain forest
60s - Q7
Which of the following statements is true of aquatic biomes?
Marine biomes include streams, rivers, ponds, and lakes.
Freshwater and marine biomes are evenly distributed on Earth.
Freshwater biomes are a vital source of drinking water.
Freshwater biomes supply a greater portion of Earth’s oxygen than marine biomes.
60s - Q8
Which of the following biomes is best characterized as an area that forms the narrow band along the coast that experiences a range of environmental conditions (including daily changes in sunlight, temperature, and water) ?
Intertidal zones
Coral reefs
Lakes
Open ocean
60s - Q9
Where is the majority of fresh water found on Earth?
Lakes
Ice caps and glaciers
Groundwater
Oceans
60s - Q10
Which of the following major storage reservoirs of carbon, stored in the form of carbon dioxide, is not represented in this diagram?
The Moon
The ocean
Algae
Soil bacteria
60s - Q11
Based on the diagram, which of the following processes reduces the amount of carbon dioxide in the atmosphere?
Burning of fossil fuels
Decomposition
Photosynthesis
Cellular respiration
60s - Q12
Based on the diagram, which process most directly results in the storage of carbon as coal and oil over millions of years?
Decomposition
Photosynthesis
Burning of fossil fuels
Cellular respiration
60s - Q13
Which of the following pathways indicate how nitrogen is added to the largest nitrogen reservoir?
Decomposing plant and animal material
Nitrifying bacteria and lightning
Nitrates taken up by plant roots
Denitrifying bacteria and volcanic activity
60s - Q14
In the nitrogen cycle illustrated , nitrification occurs in which of the following steps?
Step 2
Step 3
Step 4
Step 1
60s - Q15
Which of the following would best describe X in the diagram above?
Bacteria play an important role in the conversion of compounds from the atmospheric gas to the form of the compound taken up by plants.
Processes include weathering and erosion.
Volcanic eruptions are a major source of non-anthropogenic inputs.
Phosphorus and nitrogen are both required for plant growth.
60s
