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Environmental Biology Midterm
Environmental science is a✔✔Systematic approach in learning about the environment
T/F Places in the world where indigenous people live tend to have high biodiversity✔✔true
When testing a new drug to treat arthritis what method should be used to avoid bias in the data✔✔double blind experiments
T/F Sustainable development differs from traditional economic development in that it
emphasizes economic development in the short term✔✔true
Environmentalism stemming from the publication of Rachel Carson's Silent Spring differed from earlier North American conservation perspectives by✔✔placing more emphasis on pollution problems
Ideally, science✔✔is methodical and logical
Why is world hunger an environmental issue✔✔food production is global but the resources are unequally distributed.
The best definition of a hypothesis is a✔✔a proposed explanation based on observation
Most environmental problems result from✔✔complex, interrelated problems
In explaining your choice of an environmental science major in college to your roommate, you
would probably emphasize the fact that environmental science is an✔✔applied interdisciplinary field concerning the environment with an emphasis on solving problems
Primary consumers are also known as✔✔herbivores
T/F Photosynthesis is a step in the global nitrogen cycle✔✔false
Which biogeochemical cycle lacks an atmospheric component✔✔the phosphorus cycle
T/F Water expands when it crystallizes and freezes✔✔true
Humans alter the sulfur cycle by✔✔burning fossil fuels
Photosynthesis is the process of converting __into __energy✔✔solar energy and chemical bond
Energy enters a system as sunlight and a producer is able to produce 10 kilograms of tissue. If eaten, the producer would produce about__ kilograms of consumer tissue that would provide
about __kilograms of tissue for a secondary consumer✔✔1; 0.
Which is the best example of a closed system✔✔a space station
Producers rely on the process of __ to release chemical energy and consumers rely on the process
of___ to release chemical energy✔✔cellular respiration
All members of a species that live in the same area at the same time make up a✔✔population
What terms describes species which arise in non-overlapping geographic regions✔✔allopatric speciation
_____ is the place or set of environmental conditions in which a particular organism
lives✔✔habitat
A biological community's productivity is a measure of✔✔the amount of biomass produced in the community
A dieback, or population crash, often occurs after a species___ its environmental carrying
capacity✔✔overshoots
Natural selection will ultimately make a species✔✔better adapted to its environment
Regular lawn moving selects for dandelions with short heads rather than dandelions with tall
heads because✔✔tall flowers cannot reproduce
Primary succession occurs when a community develops___ while secondary succession occurs
when one__.✔✔on unoccupied ground; biological community replaces another
What is the difference in the adaptation of a sled dog's (such as a Husky) thick coat of hair to help it withstand the cold temperature of Artic winters and a dog that adapts to cold temperatures in the fall by growing a thickened coat? The adaptation of the sled dog best describes adaptation
at the___ level while the dog exposed to seasonal colder temperatures has_____.-✔✔population; physiological modifications at the population level
T/F The introduction of a predator onto an island originally free from predators is likely to cause
the extinction of a native species✔✔true
T/F Estuaries contain a mix of fresh and salt water✔✔true
The base of the marine food web is✔✔phytoplankton
The location of specific biomes can be predicted based on✔✔precipitation and temperature
T/F Tropical moist forests have high species diversity because they have highly developed,
diverse niche opportunities and habitats✔✔true
T/FZebra mussels are a mussel species from Japan that was introduced without negative
consequences into the United States to improve water quality✔✔false
In general, the global range of world deserts are✔✔increasing because of logging and grazing
The first symptom of range overgrazing is usually✔✔the disappearance of palatable herbs.
____ are a proposed solution to enhance species survival by effectively creating a large preserve
from several smaller ones✔✔corridors
A major limiting factor to success of parks and reserves in developing nations would be✔✔the lack of money and infrastructure to manage the parks and preserves
The IUCN world conservation strategy is directed at protecting✔✔ecosystems and biodiversity
National parks are an important part of our heritage✔✔but they are endangered by overcrowding, pollution, and in some places, mining
The most sustainable land use in tropical forests is probably✔✔milpa farming
T/F The loss of forests can affect rainfall patterns✔✔true
Most commercial loggers prefer "clear- cut" harvesting because it✔✔is the most efficient, cheapest harvest method using large, fast machinery instead of costly labor
Monetary inputs to local economies due to the presence of parks and reserves is✔✔ecotourism
Obesity, is a disease that affects✔✔wealthy, developed nations
T/F The number of GMO's and the acreage devoted to growing them has decreased in the past 15
yrs. because of the huge number of opponents✔✔false
T/F More than 70% of all soybeans, corn, and cotton grown in the US are genetically
modified✔✔true
You can participate in sustainable agriculture by✔✔eating locally lower on the food chain and participating in CSAs
Vitamin A deficiencies are associated with✔✔dry eyes and retinal degeneration.
Sustainable farming✔✔is cheaper and safer than conventional farming.
Contour plowing and strip farming are methods designed to✔✔prevent water and soil loss
A natural form of fertilizer would be✔✔manure
Hazardous substance ___ while toxins are___-✔✔dangerous and poisonous substances
___ can be defined as the transfer of genes for desirable traits, such as pest resistance, into crop plants from other organisms✔✔genetic engineering
Famines are most often serious when there is✔✔drought and war together
Although most of the world's forests are shrinking, biologists are especially concerned about tropical forest loss because✔✔they contain such high biodiversity
T/F GMOs are made by taking bits of DNA from different sources to create desired characteristics in an organism✔✔true
What are two common diseases that result from protein deficiencies✔✔marasmus and kwashiorkor
Infectious diseases that were previously not known or described for at least the prior 20 years✔✔emergent diseases
Most people do their own personal risk assessments based upon✔✔personal biases and preferences as well as logic.
Infectious diseases such as diarrhea are closely linked to✔✔malnutrition
