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APES Q1 Exam Review
Terms in this set (69)
Elements that cycle in the environment and that also have a gaseous phase at some point in their cycle include which of the following?
I and III only
The two major processes involved in the carbon cycle are
Photosynthesis and Respiration
The most abundant gas in Earth's atmosphere is
Which of following best helps to explain why phosphorus is often a limiting factor in many ecosystems
Under many conditions, phosphorus forms stable insoluble compounds.
Acid rain is associated with which of the following?
The burning of fossil fuels
Which of the following is a process that indirectly removes carbon from Earth's atmosphere?
Formation of carbonate deposits
One solution for reducing the amount of atmospheric carbon dioxide would be to
Decrease the use of fossil fuels
Which of the following is the usual cause cultural eutrophication in the surface waters of both developed and developing countries?
Runoff of nitrate compounds into bodies of water
Which of the following is true of carbon as it cycles in nature?
Carbon sinks include forests and oceans.
The process in the hydrologic cycle in which water vapor is released from leaves into the atmosphere is called
Which of the following best shows the process of evolution?
A population of mosquitoes build a resistance to a certain type of pesticide.
Living organisms must aquire energy from thier environment. Examples of adaptations that help organism acquire this energy include which of the following?
I. The dark, heat-absorbing coloration of reptile.
II. The fangs and claws of a lion.
III. The light coloration of pepperd moth.
I and II only
Which of the following statements about genetic diversity is true?
Genetic resistance to pests and diseases can be increased by crossing a crop plant with ancestral varieties
In a typical forest ecosystem, dead trees and fallen trees are the most important because of their role in which of the following?
Providing habitats for wildlife
The net annual primary of a particular wetland ecosystem is found to be 8,000 kcal/m2 per year. If respiration by the aquatic producers is 12,000 kcal/m2 per year, what is the gross annual primary productivity for this ecosystem, in kcal/m2 per year?
Which of the following can be used to assess the biological diversity of an area?
Genetic variation within each species and number of species present
An insect population in an agricultural field is affected by monthly applications of a pesticide, as shown in the graph above. A likely cause of the overall increase in the insect poipulation over time.is:
the survival of an increasing number of resistant insects
Ticks are vectors for various diseases. The ticks acquire the disease causing organisms from
Feeding on host animals
The consumption of mosquitoes by bats and the control of flooding provided by tropical forests in mountainous areas of Central America are examples of
Correct statements about the Northern spotted owl include which of the following?
I. It is a pioneer species that is an opportunistic feeder.
II. It is dependent on mature, old growth forest for its habitat.
III. It is a carnivore at or near the top of the food chain.
II and III
In North America, native pollinators often increase the quantity and quality of native crops more effectively than European honeybees do. The most likely reason for this is that native pollinators:
have coevolved with native plant species
North American (NA) bees are usually better pollinators than European bees. Why?
NA bees have coevolved with native plant species.
In a food chain, approximately ____ of the energy and biomass is passed to the next _________.
The upper levels of the ecological pyramid receive the ________concentrations of toxins. This is known as bio________.
In an ecosystem, there are _______ as many producers as there are primary consumers.
Which of the following organisms is most likely to have high levels of toxins?
Abiotic factors include _______, temperature, sunlight, soil (minerals), shelter and oxygen.
_______: community + abiotic factors.
Population: all the members of a _______ in an ecosystem.
_________ use energy to assemble minerals from the soil or water into biomolecules.
Decomposers breakdown ___________ to supply nutrients to __________.
Each step along the food chain is known as a(n) _________ levels.
_________ consumers (AKA: herbivores) eat producers.
_____________are at the top of the food chain.
Of the following, which occupies the lowest trophic level?
The ultimate source of energy for terrestrial ecosystem is
Which of the following best illustrates an abiotic component of the environment affecting a biotic component of the environment?
Low phosphorus content in soil limits the growth of vegetation.
For a primary producer, the main function of photosynthesis is to produce:
Which of the following best explains why decomposers in soil and water are important to ecosystem?
They recycle nutrients
Which of the following ecological concepts includes all the others
Ozone in the stratosphere is important to organisms at the Earth's surface because ozone molecules are strong absorbers of:
The main source of oxygen in the atmosphere is:
Photosynthesis by producers
The primary cause of Earth's seasons is the
the Earth's rotational axis is NOT perpendicular or parallel with respect to the plane of it's orbit around the Sun
The Gulf Stream most affects weather in:
The polar regions radiate away more heat than they receive from the Sun in the course of a year. However, they are prevented from becoming progressively colder each year primarily by the
Wind and ocean currents
Ozone in the stratosphere is most important to life at Earth's surface because it absorbs
Which of the following shows the approximate concentration of N2, O2,, Ar in dry air?
78%, 21%, 1%
Which of the following is NOT a property of water?
It absorbs relatively little heat as it vaporizes.
The most abundant element in the Earth's crust:
The most abundant element in Earth's core
The 2nd most abundant element in the earth's atmosphere
The location where new crust is being created at a divergent plate boundary
Probable location of a deep ocean trench
The intraplate location where hot-spot volcanism is occurring
Weather occurs in this layer of the atmosphere.
The beneficial ozone layer is in this region of the atmosphere.
Most oxygen is found in this layer of the atmosphere.
The layers of the atmosphere in order of altitude (lowest to highest) are:
Troposphere, stratosphere, mesosphere, thermosphere
The leading edge of an air mass is known as a ________.
On the equinox the suns rays are focused on the _________on the solstice the suns rays are focused on the __________.
The layer of magma underneath the Earth's crust is known as the:
Water dissolves ________and ______compounds.
The volume of sinks in the hydrologic cycle from smallest to largest are:
Atmosphere, surfacewater, groundwater. ocean
Which of the following samples of water would be the most dense?
4 degrees C
Which of the following most affect ocean water density?
I and II
Groundwater may be:
shallow and unconfined or deep and confined
One of the properties of water is that it
Has a wide liquid temperature range
The atmosphere shields the earth from high energy radiation and distributes:
Energy and Nutrients
The lithosphere is made up of ~20 tectonic plates (oceanic & continental) floating on a layer of______________ (asthenosphere)
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