What is the term for: the gases that surround the Earth?

What is the term for: study atmospheric components, reactions, measurement techniques, and processes?

What is the term for: living organisms?

What is the term for: most easily studied as two interconnected subcycles - one dealing with rapid carbon exchange among living organisms and the other dealing with the long-term cycling of carbon through geologic processes?

What is the term for: the change of the physical state of matter from the gas phase into the liquid phase, and is the reverse of vaporization?

What is the term for: group that has had no experimental change made to it?

What is the term for: when bacteria convert the nitrates into nitrogen gas, thus allowing it to re-enter the atmosphere?

What is the term for: variable by which we measure change in response to the independent variable?

What is the term for: environmental conservation means that we should protect the environment because doing so will protect both species that are beneficial to other as well as other species and an ecological justification for conservation acknowledges the many ecosystem services that we derive from healthy ecosystems?

What is the term for: study the relationships between living things and their environment?

What is the term for: describes the living and nonliving surroundings relevant to organisms?

What is the term for: study how chemicals, usually contaminants, move through the environment?

What is the term for: solve problems and design systems using knowledge of environmental concepts and ecology, thereby providing solutions to various environmental problems?

What is the term for: studies all aspects of the environment in an interdisciplinary way?

What is the term for: social movement through which citizens are involved in activism to further the protection of environmental landmarks and natural resources?

What is the term for: a process whereby nutrient runoff causes the overgrowth of algae, the depletion of oxygen, and death of aquatic fauna?

What is the term for: liquid water turns into water vapor?

What is the term for: group that has experimental change made to it?

What is the term for: carbon compounds contain energy, and many of these compounds from dead plants and algae have fossilized over millions of years?

What is the term for: encompasses the water on Earth; the area of Earth where water movement and storage occurs?

What is the term for: suggested explanation for an event, which can be tested?

What is the term for: variable that is manipulated throughout the course of the experiment?

What is the term for: land of Earth?

What is the term for: something that occupies space and has mass?

What is the term for the belief that various aspects of the environment have a right to exist and that it is our moral obligation to allow them to continue or help them persist?

What is the process of converting nitrogen gas into ammonia (NH_3), which spontaneously becomes ammonium (NH4+)?

What type of resource is either regenerated very slowly or not at all?

What is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds, including drizzling, rain, sleet, snow, ice pellets, graupel, and hail?

What is the process in which organic molecules are broken down to release energy?

What is the method of research with defined steps that include experiments and careful observation?

What is the movement of one tectonic plate beneath another called?

What is the process of ice turning into water vapor called?

What is a tested and confirmed explanation for observations or phenomena that is supported by many repeated experiences and observations?

What is the loss of water by plants to the atmosphere called?

What is the justification that environmental conservation means that we should protect the environment because doing so provides a direct economic benefit to people?

What is a factor that can change in an experiment called?

What is molten rock that has reached the Earth's surface called?

What is molten rock deep inside the Earth called?

What is a type of rock that contains useful minerals called?

What is a mineral deposit that contains enough minerals to be mined for profit called?

What is a valuable metal found in modern or ancient stream gravels called?

What is the process of restoring a mined property to its pre-mining state called?

What is a solid mixture of minerals or mineral grains called?

What are minerals that cooled from a fluid and filled cracks in a rock called?

What are pollutants that arise from operations that raise animals and grow crops, which generate emission of gases and particulate matter called?

What are generally, gaseous and particulate contaminants that are present in the Earth's atmosphere called?

What are structures that move water from where it is plentiful to where it is needed called?

What term is used to describe many small sources of air pollution located together whose individual emissions may be below thresholds of concern?

What is a mixture of gases that surrounds the planet called?

What is using less water and using it more efficiently called?

What is the process of removing dissolved salt from seawater or saline groundwater called?

What is a period of unusually low rainfall called?

What occurs when there are a large number of wells that have been pumping water for a long time, causing the regional water table to drop significantly?

What is the amount of water vapor in the air called?

What involves exposures to particulates, carbon oxides, and other pollutants carried by indoor air or dust?

What is any way of providing water to plants called?

What is a source of pollution that is capable of moving under its own power called?

What are pollutants that are not caused by people or their activities called?

What are large or more diffuse areas where pollutants enter water supplies called?

________ involves exposure to contaminants that take place outside of the built environment.

________ is a portion of the atmosphere that contains greater portions of ozone than other layers, about 20 to 40 kilometers above the Earth's surface.

________ are particles of dust, soil, fecal matter, metals salt, smoke, ash, and other solids that make up a small percentage of the atmosphere.

________ are disease-causing microorganisms.

________ are readily identifiable and relatively small locations where pollutants enter water supplies.

________ is the time during which a pollutant may be taken up within the ecosystem or absorbed onto sediment.

________ are chemicals discharged into the air that have a direct impact on the environment.

________ is catching and storing rainwater for reuse before it reaches the ground.

________ form behind dams in rivers and can collect water during wet times and store it for use during dry spells.

________ are contaminants that are produced when primary pollutants react with other chemicals in the air.

________ is the rapid sinking of the land surface over a small area.

________ is a form of energy that travels in waves.

A ________ refers to an emission source that does not move.

________ is the gradual sinking of the land surface over a large area.

A ________ is a global situation where people in many areas lack access to sufficient water, clean water, or both.

________ is the contamination of water by an excess amount of a substance that can cause harm to human beings and/or the ecosystem.

________ is the average time that a water molecule spends in a water reservoir.

________ is the global situation involving water shortages.

________ is the slow wearing down of rocks on Earth's surface.

________ is the stored chemical energy in organic matter.

________ is a solid fossil fuel formed from the partially decomposed remains of ancient forests, is burned primarily to produce electricity.

________ is oil from the ground and is a mixture of many hydrocarbons.

________ or solar energy is the energy in the sunlight.

________ is a natural fuel such as coal, oil, and natural gas, formed in the geological past from the remains of living organisms.

________ is energy from below the Earth's surface.

________ is electricity produced from the mechanical energy of rapidly flowing water that turns a turbine and generates electricity.

________ is a flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground.

A ________ is a natural resource that is consumed or used up faster than it can be made by nature; includes fossil fuels.

________ is a nuclear reaction in which a very heavy nucleus into two or more smaller nuclei.

________ is the use of nuclear energy to create energy inside of a nuclear reactor.

________ is a liquid fossil fuel derived from petroleum, especially for use as a fuel or lubricant.

Fill in the blank: ________ are natural resources that can be replaced in a relatively short period of time or are virtually limitless in supply.

Fill in the blank: ________ means saving resources.

Fill in the blank: ________ is buying bulk items instead of those that are individually packaged.

Fill in the blank: ________ are the nonliving aspects of the environment.

Fill in the blank: ________ are human caused threats to biodiversity.

Fill in the blank: ________ refers to the reduction of biodiversity due to displacement or extinction of species.

Fill in the blank: ________ refers to the variety of life and its processes, including the variety of living organisms, the genetic differences among them, and the communities and ecosystems in which they occur.

Fill in the blank: ________ is the study of the distribution of the world's species both in the past and in the present.

Fill in the blank: ________ are the living aspects of the environment.

What is the term for the following definition: consume animals?

What is the term for the following definition: the largest population size that can be supported in an area without harming the environment?

What is the term for the following definition: type of producer that uses energy from chemical compounds to make food by chemosynthesis?

What is the term for the following definition: the average weather in an area over a long period of time?

What is the term for the following definition: often occurs in species involved in mutualistic relationships?

What is the term for the following definition: a symbiotic relationship in which one species benefits while the other species is not affected?

What is the term for the following definition: all of the populations of different species that live in a given area?

What is the term for the following definition: a relationship between organisms that strive for the same resources in the same place?

What is the term for the following definition: occurs when two different species cannot occupy the same niche in the same space for long periods of time?

What is the term for the following definition: organisms that depend on other organisms for food?

What is the term for the following definition: break down the remains and other wastes and release simple inorganic molecules back to the environment?

What is the term for the following definition: type of decomposer that obtains energy and matter by breaking down dead leaves and other organic debris that collects on the ground or at the bottom of a body of water?

What is the term for the following definition: movement of offspring away from their parents?

What is the term for the following definition: the study of how living things interact with each other and with their environment?

What is the term for the following definition: the number of different ecosystems on Earth or in a geographical area?

What is the term for the following definition: a unit of nature and the focus of study in ecology?

What is the term for the following definition: movement of individuals out of a population?

What is the term for the following definition: species found in only one area?

What is the term for the following definition: species that have been intentionally or unintentionally introduced by humans into an ecosystem in which they did not evolve?

What is the term for the following definition: the pattern of population growth in which a population starts out growing slowly but grows faster and faster as population size increases?

What is the term for the following definition: a linear sequence of organisms through which nutrients and energy pass as one organism eats another?

What is the term for the following definition: a concept that accounts for the multiple trophic (feeding) interactions between each species?

What is the term for the following definition: the raw material for evolutionary adaptation in a species and is represented by the variety of genes present in a population?

What is the term for the following definition: the rate at which photosynthetic producers incorporate energy from the Sun?

What is the term for the following definition: the physical environment in which a species lives and to which it is adapted?

What is the term for the following definition: consume producers such as plants or algae?

What is the term for the following definition: moving into an area?

What is the term for the following definition: occurs between members of different species?

What is the term for the following definition: occurs between members of the same species?

An exotic species that can threaten other species through competition for resources, predation, or disease is called a _________.

A predator species that plays a special role in its community because changes in its population affect the populations of many other species in the community is called a _________.

A factor that limits the growth or development of an organism, population, or process is called a _________.

The regular movement of individuals or populations each year during certain seasons is called _________.

A symbiotic relationship in which both species benefit is called _________.

The energy that remains in the producers after accounting for these organisms' metabolism and heat loss is called _________

The role of a species in its ecosystem is called its _________.

Organisms that consume both plants and animals are called _________.

A symbiotic relationship in which one species (the parasite) benefits while the other species (the host) is harmed is called _________.

A type of producer that uses light energy to produce organic compounds by the process of photosynthesis is called a _________.

The average number of individuals in a population per unit area or volume is called _________.

How individuals are distributed or spread throughout their habitat is called _________.

How fast a population changes in size over time is called _________.

The number of individuals in a population is called _________.

A group of organisms of the same species that live in the same area is called a _________.

A relationship in which members of one species consume members of another species is called _________.

Organisms that consume producers are called _________.

A type of organism that uses light energy or chemical energy to make food for itself and other organisms is called a _________.

A measure of how common or rare a species is relative to other species in a defined location or community is called _________.

A type of decomposer such as a fungus or protozoan that feeds on any remaining organic matter that is left after other decomposers do their work is called a _________.

A type of decomposer that consumes dead animals is called a _________.

Carnivores that eat the primary consumers are called _________.

When competing species evolve different adaptations, this is called _________.

The process of creating new species is called _________.

A close relationship between two species in which at least one species benefits is called _________.

Carnivores that eat other carnivores are called _________.

The conditions of the atmosphere from day to day are referred to as _________.

The variety of organisms in an ecosystem is called _________.

A biogeographic region that contains high biodiversity and is also threatened with destruction is called a _________.

Geographical areas that contain high numbers of endemic species are called _________

Measurable long-term changes in Earth's climate are referred to as _________.

Fill in the blank: The study of the loss of Earth's biodiversity and the ways this loss can be prevented is called _________.

Fill in the blank: A species that has been identified as likely to become extinct is called an _________

Fill in the blank: The process during which all members of a group of organisms die out is called _________.

Fill in the blank: The process of bringing an area back to its natural state, before it was impacted through destructive human activities, is called _________.

Fill in the blank: A species that is instrumental in maintaining diversity within an ecosystem is called a _________.

Fill in the blank: Resources that are limited in supply because they are used faster than they can be replaced are called _________.

Fill in the blank: An area of land set aside with varying degrees of protection for the organisms that exist within the boundaries of the preserve is called a _________

Fill in the blank: Resources that are replaced as quickly as they are used are called _________

Fill in the blank: A batch of air that has nearly the same temperature and humidity is called an _________

Fill in the blank: The opposite of a cyclone, with winds rotating clockwise in the Northern Hemisphere around a center of high pressure, is called an _________.

Fill in the blank: A natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, usually near the northern or southern magnetic pole, is called an _________.

Fill in the blank: A device used to measure air pressure is called a _________.

Fill in the blank: A climate type and its plants and animals is called a _________.

Fill in the blank: A severe snowstorm with high winds and low visibility that happens across the middle latitudes and toward the poles, usually as part of a mid-latitude cyclone, is called a _________?

Fill in the blank: Anything that absorbs more carbon dioxide from the atmosphere than it releases is called a _________

Fill in the blank: The scrubby, woody vegetation that thrives in the dry summer subtropical climate is called _________.

Fill in the blank: A mass of water drops or ice crystals suspended in the atmosphere is called a _________.

When a cold air mass takes the place of a warm air mass, it is called a _________?

Fill in the blank: A relatively dry climate with very hot summers and very cold winters, with greater temperature differences between day and night and between summer and winter, is called a _________?

Fill in the blank: The transfer of heat by the movement of heated materials is called _________.

A system of winds rotating counterclockwise in the Northern Hemisphere around a low pressure center is called a _________

Fill in the blank: The temperature at which air becomes saturated with water is called the _________.

Fill in the blank: Two air masses that have different densities and do not easily mix form a _________

Fill in the blank: A gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect is called _________

Fill in the blank: The process that occurs when gases in Earth's atmosphere trap the Sun's heat is called the _________

Fill in the blank: Gases in Earth's atmosphere that trap heat are called _________.

Fill in the blank: A period of heat above the normal range for longer than three days is called a _________

Fill in the blank: Tropical cyclones with violent winds over 74 mph are called _________.

Fill in the blank: A covering of ice over a large area, especially on the polar region of a plane that has extremely low average annual temperatures, is called an _________.

Fill in the blank: The low pressure area near the equator in the boundary between the two Hadley Cells is called the _________.

Fill in the blank: ________ occurs when an air mass reaches the leeward side of a lake, becomes very unstable, and drops tremendous amounts of snow.

Fill in the blank: ________ is heat that is taken in or released when an object changes states, like gas to a liquid.

Fill in the blank: ________ is energy that collects in cumulonimbus clouds that results in a huge release of electricity.

Fill in the blank: ________ is a climate much influenced by a nearby sea.

Fill in the blank: ________ is when climate conditions in a small area are different from those of the surroundings.

Fill in the blank: ________ is the main cause of winter storms in the middle latitudes.

Fill in the blank: ________ are mid-latitude cyclones that come from the Northeast.

Fill in the blank: ________ forms around a low pressure system.

Fill in the blank: ________ is a layer of permanently frozen ground in the tundra.

Fill in the blank: ________ stands for Radio Detection and Ranging; a transmitter sends out radio waves that bounce off the nearest object and then return to a receiver.