Term
| The work of an ecologist is best described as a study of: |
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Definition
| interactions between organisms and their environment |
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Term
| Define the carry capacity. |
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Definition
| The maximum number of a certain species that can live in a given area without damaging their habitat |
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Term
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Definition
| a functional unit or region, its physical conditions and the interactions between the plants and animal that inhabit the area |
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Term
| Population explosions occur if species are introduced to a new environment and: |
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Definition
| there are no limiting factors |
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Term
| wildlife biologists estimate that there are about 12,000 white-tailed deer in Carbon County. This number represents the: |
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Definition
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Term
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Definition
| the region of planet Earth that supports life |
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Term
which of the following is a self-sustaining ecosystem?
a) a northern coniferous forest
b) a farm
c) a golf course
d) a model of a tropical rainforest |
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Definition
| a. a northern coniferous forest |
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Term
| if you were a fish, wildlife, and parks biologist hired to take a census of equine species grazing on leased federal land, you should count horses and mules as |
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Definition
| two different populations because they are different species |
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Term
| a good habitat must meet all of the basic needs of a species. Disease may spread quickly and become a limiting factor for a growing population if there is a lack of |
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Definition
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Term
| What is the only biome where permafrost is found? |
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Definition
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Term
| All ecosystems must have a supply of water and... |
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Definition
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Term
Habitat fragmentation:
a) affects the weather (e.g. wind) conditions within the ecosystem
b) provides predators with easier access to prey
c) creates edges which isolate populations and may interfere with breeding
d) all of the above |
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Definition
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Term
predators are:
a) carnivores
b) decomposers
c) herbivores
d) producers |
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Definition
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Term
| an organism that can make food from chemicals that are not food (carbon dioxide and water) is a: |
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Definition
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Term
| the first organism in the food chain must always be a : |
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Definition
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Term
| An organism, such as a leech, that lives in or on a host organism is a: |
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Definition
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Term
| An Indian pipe is a small flowering plant that is completely white and grows on rotting plant material on the forest floor. It is a: |
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Definition
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Term
| Animals, like the California Condors, that feed on the remains of dead animals are: |
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Definition
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Term
Which of the following is not a consumer?
a) carnivore
b) herbivore
c) omnivore
d) producer |
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Definition
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Term
| The diet of this animal includes many small animals but no plants. The niche of the animal is: |
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Definition
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Term
| the term predator describes the: |
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Definition
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Term
| The process that changes light energy into chemical energy is: |
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Definition
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Term
| The high-energy compound made by photosynthesis that provides an immediate source of energy for a plant is: |
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Definition
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Term
| the total mass of all organic matter at any level in a food chain is called the: |
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Definition
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Term
| a diagram showing the pyramid of biomass in an ecosystem is represented by a stack of boxes: |
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Definition
| that increase in size from top to bottom |
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Term
| At each higher level in a food chain: |
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Definition
| there is less energy available to organisms |
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Term
Which of the following food chaise supports the most people? a food chain with:
a) two steps
b) three steps
c) four steps
d) five steps |
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Definition
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Term
| In countries with large populations and limited space for growing food, the major food in the diet will be: |
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Definition
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Term
| Clouds are formed when the correct conditions allow this process: |
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Definition
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Term
| All organic compounds contain |
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Definition
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Term
| This gas is important waste product of photosynthesis. |
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Definition
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Term
| What plant is classified as a legume and has nitrogen-fixing bacteria in nodules in its roots? |
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Definition
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Term
| Most water enters the air through the process of |
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Definition
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Term
| Plants and animals need to make: |
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Definition
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Term
| Humans remove minerals and other natural resources from an ecosystem faster than the resources are replaced. This is called: |
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Definition
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Term
| Most of the oxygen in the atmosphere is produced by what organism? |
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Definition
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Term
| when nitrogen is "fixed" it is changed into: |
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Definition
| a form of fertilizer in the soil that can be used by plants |
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Term
| The best way to reduce the damage caused by plant-eating pests is to: |
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Definition
| provide protection for the predators of the plant-eating pests |
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Term
| predators play an important role in a balanced ecosystem because they: |
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Definition
| are a limiting factor for populations of certain species |
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Term
| As the populations of predators increase, the population of their prey will... |
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Definition
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Term
Which of the following animals is not a predator:
a) coyote
b) earthworm
c) human
d) robin |
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Definition
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Term
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Definition
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Term
| What did the Pittman-Robertson Act do? |
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Definition
| it provided money for wildlife management |
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Term
| To calculate the amount of game that can be harvested, what two things must be taken into account? |
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Definition
1. carrying capacity of the ecosystem
2. population density |
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Term
| What helps to maintain a balance between the population of a species and the carrying capacity of an ecosystem? |
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Definition
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Term
| The smell of paint in a newly painted bedroom is due to what? |
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Definition
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Term
| The major process that produces most air pollution is: |
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Definition
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Term
| In Beijing, China, harmful levels of this major air pollutant are produced during the winter months. |
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Definition
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Term
| This chemical is necessary for complete combustion |
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Definition
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Term
| A pesticide is sprayed on trees in an orchard. The process in which the liquid is broken into fine droplets that enter the air is: |
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Definition
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Term
| Huge clouds of this harmful gas are emitted during volcanic eruptions. |
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Definition
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Term
| The killer cloud of gas that hung over the Meuse Valley contained deadly amounts of this gas which combined with water vapor to produce breathable acid. |
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Definition
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Term
| What is the major source of air pollution in Los Angeles? |
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Definition
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Term
Which of these processes is/are responsible for Volatile Organic Compounds polluting the air?
a) attrition
b) combustion
c) vaporization
d) both a and c |
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Definition
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Term
| Volatile Organic Compounds are chemicals that: |
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Definition
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Term
| What group or organisms did Roget Tory Peterson consider to be the best indicator of a healthy environment? |
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Definition
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Term
| Manufacturers are changing the chemical composition of aerosol sprays to reduce the amount of this pollutant that enters the air from consumer products. |
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Definition
| Volatile Organic Compounds |
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Term
| What chemical is the brownish-red gas present in photochemical smog? |
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Definition
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Term
| What hydrocarbon is a major air pollutant produced at sewage treatment plants and landfills during the decomposition of organic waste? |
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Definition
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Term
The level of ozone present in an area depends upon which of these variables:
a) amount of traffic
b) temperature
c) amount of sunshine
d) all of the above |
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Definition
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Term
Which of the following compounds is seldom found in amounts that make it harmful to human health?
a) carbon dioxide
b) carbon monoxide
c) nitrogen dioxide
d) sulfur dioxide |
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Definition
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Term
| The majority of this pollutant is produced by gasoline-powered motor vehicles. |
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Definition
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Term
| According to the American Lung Association Air Quality Assessment, The Dallas-Fort Worth area has good "{grades" in all pollutant concentrations except: |
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Definition
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Term
| Produced by agriculture, industries and traffic, this type of air pollutant is classified by size. |
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Definition
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Term
| According to the EPA, the air pollutant that is the most damaging to crops and costs farmers millions of dollars by reducing yields is: |
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Definition
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Term
| The air condition that caused the pollutants to reach unhealthy levels during the major air pollution disasters was: |
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Definition
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Term
| The smog that filled the cities during the air pollution disasters was deadly because the moisture in the air combined with an air pollutant to form this potent irritant. |
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Definition
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Term
| the major source of pollutants that entered the air during the major air pollution disasters was the burning of: |
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Definition
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Term
| The group of people who are the most likely to develop a severe case of emphysema is: |
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Definition
| smokers who live in cities |
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Term
| When it combines with hemoglobin, this pollutant decreases the ability of blood to carry oxygen. |
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Definition
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Term
| Cell division increases rapidly and the cells produced do not function as normal lung cells in this respiratory disease. |
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Definition
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Term
Which of the following people would most likely be hospitalized during an air pollution disaster?
a) a child with asthma
b) a healthy teen with near perfect attendance
c) a 30-yr-old man who gets headaches
d) an active retiree |
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Definition
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Term
| People who are exposed to carcinogens can develop: |
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Definition
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Term
| Damage to the cilia and production of excess mucus that result in a "smoker's cough" are symptoms of: |
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Definition
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Term
| Most abundant gas in Earth's atmosphere |
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Definition
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Term
| Source of energy that splits oxygen molecules in the atmosphere |
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Definition
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Term
| Makes up 21% of the Earth's atmosphere |
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Definition
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Term
| Force thet holds gases near Earth's surface |
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Definition
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Term
| Layer of atmosphere nearest Earth's surface |
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Definition
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Term
| Layer of atmosphere that contains the ozone layer |
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Definition
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Term
| A naturally-occurring gas that destroys oxone |
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Definition
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Term
| Replaced methyl chloride as a coolant in refrigerators |
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Definition
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Term
| Most deadly ultra violet light rays |
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Definition
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Term
| Type of CFC use banned in US, Canada, and some European countries |
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Definition
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Term
|
Definition
| a substance that is present in amounts that are unwanted or harmful |
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Term
| Identify 3 processes that pollute the atmosphere |
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Definition
1) attrition
2) vaporization
3) combustion |
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Term
| What pollution process is responsible for most odors? |
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Definition
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Term
| The fine droplets of aerosol sprays are a form of what pollution process? |
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Definition
|
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Term
| What are the major air pollutant in Los Angeles? |
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Definition
| ground level ozones and carbon monoxide |
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Term
| What are the 6 major air pollutants? |
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Definition
1) ground level ozones
2) sulfur dioxide
3) carbon monoxide
4) nitrogen oxides
5) lead
6) particulate matter |
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Term
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Definition
| poisons that eliminate pests and diesases |
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Term
| What unit is Dissolved Oxygen (DO) measured in? |
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Definition
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Term
| What is the name of the test used to determine DO? |
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Definition
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Term
| At what measurement of DO can bass no longer survive in area lakes? |
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Definition
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Term
| What is DO saturation measured in? |
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Definition
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Term
| What is the test to measure how much solid matter is suspended in water? |
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Definition
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Term
| What tool is used to measure how far light penetrates below the water's surface? |
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Definition
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Term
| What body of water is most susceptible to temperature change? |
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Definition
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Term
| What color of water indicates the presence of excess nutrients released in the water? |
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Definition
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Term
| At what pH can fish no longer survive in water? |
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Definition
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Term
| What is an example of non-point source pollution? |
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Definition
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