| chapters 1-3 | terms |
| Growth in which some quantity, such as population size or economic output, increases at a constant rate per unit of time. An example is the growth sequence 2, 4, 8, 16, 32, 64, and | |
| Biological scientist who studies relationships between living organisms and their environment. | |
| Study of the interactions of living organisms with one another and with their nonliving environment of matter and energy; study of the structure and functions of nature. | |
| All external conditions and factors, living and nonliving (chemicals and energy), that affect an organism or other specified system during its lifetime. | |
| Interdisciplinary study that uses information from the physical sciences and social sciences to learn how the earth works, how we interact with the earth, and how to deal with envi | |
| Asocial movement dedicated to protecting the earth’s life support systems for us and other species. | |
| Person who is concerned about the impact of people on environmental quality and believes that some human actions are degrading parts of the earth’s life-support systems for human | |
| Ability of a system to survive for some specified (finite) time. | |
| The earth’s natural materials and processes that sustain life on the earth and our economies. | |
| Annual market value of all goods and services produced by all firms and organizations, foreign and domestic, operating within a country. | |
| An essentially inexhaustible resource on a human time scale. Solar energy is an example. | |
| Resource that can be replenished rapidly (hours to several decades) through natural processes. Examples include trees in forests, grasses in grasslands, wild animals, fresh surface | |
| Highest rate at which a potentially renewable resource can be used without reducing its available supply throughout the world or in a particular area. | |
| Depletion or destruction of a potentially renewable resource such as soil, grassland, forest, or wildlife that is used faster than it is naturally replenished. If such use continue | |
| Resource that people normally are free to use; each user can deplete or degrade the available supply. Most such resources are renewable and owned by no one. Examples include clean | |
| Depletion or degradation of a potentially renewable resource to which people have free and unmanaged access. An example is the depletion of commercially desirable fish species in t | |
| Single identifiable source that discharges pollutants into the environment. Examples include the smokestack of a power plant or an industrial plant, drainpipe of a meatpacking plan | |
| A particular chemical or form of energy that can adversely affect the health, survival, or activities of humans or other living organisms. | |
| An undesirable change in the physical, chemical, or biological characteristics of air, water, soil, or food that can adversely affect the health, survival, or activities of humans | |
| Device or process that prevents a potential pollutant from forming or entering the environment or sharply reduces the amount entering the environment. | |
| Large or dispersed land areas such as crop fields, streets, and lawns that discharge pollutants into the environment over a large area. | |
| Anything obtained from the living and nonliving environment to meet human needs and wants. It can also be applied to other species. | |
| Collecting and reprocessing a resource so that it can be made into new products. An example is collecting aluminum cans, melting them down, and using the aluminum to make new cans | |
| Resource that can be replenished rapidly (hours to several decades) through natural processes. Examples include trees in forests, grasses in grasslands, wild animals, fresh surface | |
| Using a product over and over again in the same form. An example is collecting, washing, and refilling glass beverage bottles. | |
| Resource that exists in a fixed amount (stock) in various places in the earth’s crust and has the potential for renewal by geological, physical, and chemical processes taking pla | |
| Capacity to do work by performing mechanical, physical, chemical, or electrical tasks or to cause a heat transfer between two objects at different temperatures. energy efficiency P | |
| Material that can be broken down into simpler substances (elements and compounds) by bacteria or other decomposers. Paper and most organic wastes such as animal manure are biodegra | |
| Potentially polluting chemical that is broken down completely or reduced to acceptable levels by natural physical, chemical, and biological processes | |
| Material that is slowly broken down into simpler chemicals or reduced to acceptable levels by natural physical, chemical, and biological processes | |
| In any physical or chemical change, matter is neither created nor destroyed but merely changed from one form to another; in physical and chemical changes, existing atoms are rearra | |
| In any physical or chemical change, no detectable amount of energy is created or destroyed, but energy can be changed from one form to another; you cannot get more energy out of so | |
| In any conversion of heat energy to useful work, some of the initial energy input is always degraded to lower-quality, more dispersed, less useful energy—usually low-temperature | |
| | chapters 1-3 | terms |
| Matter that is concentrated and contains a high concentration of a useful resource | |
| The situation in most advanced industrialized countries, in which ever-increasing economic growth is sustained by maximizing the rate at which matter and energy resources are used, | |
| Matter that is dilute or dispersed or contains a low concentration of a useful resource. | |
| Smallest living unit of an organism | |
| Group of organisms that resemble one another in appearance, behavior, chemical makeup and processes, and genetic structure. | |
| Group of individual organisms of the same species living in a particular area. | |
| Place or type of place where an organism or population of organisms lives. | |
| Populations of all species living and interacting in an area at a particular time. | |
| Community of different species interacting with one another and with the chemical and physical factors making up its nonliving environment. | |
| The whole mass of air surrounding the earth. | |
| Innermost layer of the atmosphere. It contains about 75% of the mass of earth’s air and extends about 17 kilometers (11 miles) above sea level. | |
| Second layer of the atmosphere, extending about 17–48 kilometers (11–30 miles) above the earth’s surface. It contains small amounts of gaseous ozone (O3), which filters out a | |
| Outer shell of the earth, composed of the crust and the rigid, outermost part of the mantle outside the asthenosphere; material found in the earth’s plates. | |
| The earth’s liquid water (oceans, lakes, other bodies of surface water, and underground water), frozen water (polar ice caps, floating ice caps, and ice in soil, known as permafr | |
| Zone of the earth where life is found. It consists of parts of the atmosphere (the troposphere), hydrosphere (mostly surface water and groundwater), and lithosphere (mostly soil an | |
| A natural effect that releases heat in the atmosphere (troposphere) near the earth’s surface. Water vapor, carbon dioxide, ozone, and other gases in the lower atmosphere (troposp | |
| Gases in the earth’s lower atmosphere (troposphere) that cause the greenhouse effect. Examples include carbon dioxide, chlorofluorocarbons, ozone, methane, water vapor, and nitro | |
| nonliving | |
| living | |
| Consumer organism that feeds on detritus, parts of dead organisms, and cast-off fragments and wastes of living organisms. The two principal types are detritus feeders and decompose | |
| Animal that can use both plants and other animals as food sources. Examples include pigs, rats, cockroaches, and humans. | |
| Variety of different species (species diversity), genetic variability among individuals within each species (genetic diversity), variety of ecosystems (ecological diversity), and f | |
| Organic matter produced by plants and other photosynthetic producers; total dry weight of all living organisms that can be supported at each trophic level in a food chain or web; d | |
| Range of chemical and physical conditions that must be maintained for populations of a particular species to stay alive and grow, develop, and function normally. | |
| Single factor that limits the growth, abundance, or distribution of the population of a species in an ecosystem | |
| Too much or too little of any abiotic factor can limit or prevent growth of a population of a species in an ecosystem, even if all other factors are at or near the optimal range o | |
| Process in which certain organisms (mostly specialized bacteria) extract inorganic compounds from their environment and convert them into organic nutrient compounds without the pre | |
| Organism that cannot synthesize the organic nutrients it needs and gets its organic nutrients by feeding on the tissues of producers or of other consumers; generally divided into p | |
| Organism that digests parts of dead organisms and cast-off fragments and wastes of living organisms by breaking down the complex organic molecules in those materials into simpler i | |
| All organisms that are the same number of energy transfers away from the original source of energy (for example, sunlight) that enters an ecosystem | |
| Series of organisms in which each eats or decomposes the preceding one. | |
| Complex network of many interconnected food chains and feeding relationships | |
| Cyclic movement of nitrogen in different chemical forms from the environment to organisms and then back to the environment. | |
| | chapters 1-3 | terms |
| Cyclic movement of carbon in different chemical forms from the environment to organisms and then back to the environment. | |
| Natural processes that recycle nutrients in various chemical forms from the nonliving environment to living organisms and then back to the nonliving environment. Examples include t | |
| Country that is highly industrialized and has a high per capita GNP. | |
| Country that has low to moderate industrialization and low to moderate per capita GNP. Most are located in Africa, Asia, and Latin America. | |
| In any physical or chemical change, no detectable amount of energy is created or destroyed, but energy can be changed from one form to another; you cannot get more energy out of so | |
| any form of life | |
| Organism that uses solar energy (green plants) or chemical energy (some bacteria) to manufacture the organic compounds it needs as nutrients from simple inorganic compounds obtaine | |
| Biogeochemical cycle that collects, purifies, and distributes the earth’s fixed supply of water from the environment to living organisms and then back to the environment. | |
| The full potential range of the physical, chemical, and biological factors a species can use if it does not face any competition from other species. | |
| Parts of the fundamental niche of a species that are actually used by that species. | |
| Species with a broad ecological niche. They can live in many different places, eat a variety of foods, and tolerate a wide range of environmental conditions. Examples include flies | |
| Species with a narrow ecological niche. They may be able to live in only one type of habitat, tolerate only a narrow range of climatic and other environmental conditions, or use on | |
| Evolution in which two or more species interact and exert selective pressures on each other that can lead each species to undergo adaptations | |
| Process by which humans select one or more desirable genetic traits in the population of a plant or animal species and then use selective breeding to produce populations containing | |
| Insertion of an alien gene into an organism to give it a beneficial genetic trait. | |
| Insertion of an alien gene into an organism to give it a beneficial genetic trait. | |
| Organism whose genetic makeup has been altered by genetic engineering. | |
| Total way of life or role of a species in an ecosystem. It includes all physical, chemical, and biological conditions that a species needs to live and reproduce in an ecosystem. | |
| this never makes it to earth | |
| insects are part of a group called | |
| the easiest way to tell whether an arthropod is an insect or a pider is to | |
| how many pairs of legs are there on most body parts of centipedes | |
| the compound eyes of insects | |
| in 1960 scientists discovered that ___ transmitted the bubonic-plague bacterium | |
| in 1909 typhus is discovered to be transmitted by | |
| in 1924 African sleeping sickness was discovered to be transmitted by a protest which was transmitted by the | |
| an insecticide was used for the first time during ww2 to control the spread of typhus and outbreaks of malaria | |
| the use of the above insecticide was restricted because | |
| Blackflies transmit ___which is caused by roundworm. this was problematic in West Africain 1974 | |
| in 1999 the city of NY experiences an out break of West Nile Virus which is the first sighting of the disease in the Western Hemisphere. The disease is spread by | |
| larve-pupa-adult-egg | |
| 1st stage of nymph-(molt)-2nd stage of nymph-3rd stage of nymph- 4th stage of nymph- 5th stage of nymph- adult- egg | |
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