Life Science Fall 2015 Final Pt. 1 Of 3 Question Preview (ID: 28494)
Part 1 Of Ecology Final.
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The three processes of the water cycle include
a) precipitation, condensation, and evaporation
b) condensation, irrigation, and filtration
c) freezing, precipitation, and filtration
d) irrigation, evaporation, and freezing
Its role as a _____ gas makes excess carbon dioxide harmful to life on Earth.
a) organic
b) toxic
c) greenhouse
d) elemental
Which of the following statements is correct?
a) Most surface water is found in lakes.
b) Most freshwater is found in glaciers and ice caps.
c) More surface freshwater is found in rivers than in swamps and marshes.
d) More saltwater is found in lakes than in groundwater.
Which of the following statements is correct?
a) Most precipitation falls into the oceans.
b) There is less ocean water than freshwater on the planet.
c) Ocean water evaporates as saltwater.
d) Most precipitation falls on land before flowing to oceans.
Suppose the water level in a local river is lower than normal. Which of the following most likely had the greatest impact on the river's water level?
a) greater water levels in the underlying aquifer
b) lower amounts of rainfall into the watershed that feeds the river
c) greater amounts of surface water collection above the river
d) lower rates of local evaporation
A student learned that desert areas receive very little annual rainfall. She concluded that desert plants and animals might use water, but they do not need water to survive. Which of the following best explains why the student's conclusion is incorre
a) All organisms, including desert plants and animals, need water to survive.
b) Many desert plants do not need water, but all desert animals do.
c) Most desert organisms do not use water.
d) none of the above
The size of a population is
a) the total number of individuals in an area
b) the average number of individuals in an area
c) the number of species in an area
d) the number of individuals of the same species in an area
The manner in which individuals are spread throughout a given area is the population
a) distribution
b) size
c) density
d) demographics
A researcher is studying a particular population. He notices that the carrying capacity for this species in this ecosystem has decreased. What could have caused this change?
a) The population is breeding too quickly and producing too many offspring.
b) The population is breeding too slowly and not producing enough offspring.
c) The resources available for the population have decreased.
d) The resources available for the population have increased.
Which of the following statements about temperate rain forests is true?
a) They have both coniferous and deciduous trees and many other plants and animals
b) They are found near the equator.
c) They have high temperatures and levels of precipitation.
d) The conditions are not conducive to species diversity.
Acacia trees are found all across which African biome?
a) tropical rain forest
b) desert
c) savanna
d) all of the above
Many animal species living in the temperate rain forest biome hibernate or migrate during the winter months. Why would animals of this biome likely evolve these adaptations?
a) All plant life dies in the winter months forcing animals to leave.
b) The amount of precipitation varies over the seasons from wet summers to dry winters.
c) Humidity varies through the year with extreme humidity in the summer, which drops in the winter.
d) Temperatures vary throughout the year from warm summers to cold winters.
The trees found in a deciduous forest
a) lose their leaves in the fall
b) lose their leaves in the fall
c) are adapted to require very little water
d) are unable to grow tall because of the frozen ground
Polar bears live in which of the following biomes?
a) grasslands
b) Antarctic desert
c) temperate deciduous forest
d) tundra
What are the most important climate factors that define a biome?
a) temperature and soil
b) temperature and precipitation
c) precipitation and soil
d) soil and longitude
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