ENR Exam 2019

For when quizlet failed you..

What is the branch of science that deals with a complex relationships between living things and their environment?

Ecology

How does energy move through ecosystems on earth?

From the sun to consumers to producers, then back to consumers

Which of the following is a renewable or inexhaustible resource

Atmosphere

Which of the following is an exhaustible resources?

Forest

Ecosystems are...

Complex networks of living and nonliving organisms in which each organism may be affected by the others

Natural resources...

Are important to humans because they rely upon them for every day life

What is the process by which plant leaves emit water from the atmosphere?

Transpiration

Corban is returned to the environment by decomposers feeding on dead matter, waist, and subs, gradually releasing carbon dioxide through the process of

Respiration

Approximately 78% of the earths atmosphere is made up of

Nitrogen

The primary source of food energy in a food chain comes from

Producers

Nitrates are

Formed from the decomposing of dead organisms and animal wastes

Plants that undergo the process of nitrogen fixing by absorbing nitrogen, gas in, converting it to nitrates are called

Legumes

Abiotic factors, influencing, ecosystems include...

Water, soil, air, climate and space

Gradual transformation of a pond into a bottom land forest over the passage of years is an example of...

Ecological succession

Consumers in an ecosystem

Cannot make their own food

Close interaction between organisms of different species over an extended period of time in which one individual benefits while the other individual. Neither benefits, nor is harmed by the relationship is known as.

Commensalism

The build up of plant nutrients in a body of water, which leads to excessive algae growth is called

Eutrophication

What soil particle hold water the Titus and has least permeability

Clay

The best way to determine soil texture in the field is by...

Using the ribbon test

The process of bacteria, changing dead organisms into ammonia, then to nitrates, and finally to nitrates useful to plants is called

Nitrification

What are the four textural classes in the textural triangle?

Sand, silt, and clay and loam

Which soil type tend to be very low in the ability to hold nutrient, however, they are high in permeability

Sandy soils

An example of geological soil erosion is...

Glaciers, forming rivers, leveling mountains, feeling valleys, forming lakes, and depositing soil

Which of the following is not a process of soil degradation

Nitrogen, fixation

Which of the following is not a benefit of soil organic matter?

Kills all micro organisms in the soil

Which of the following items are not considered to be a factor, that influences the toxicity of chemicals?

Weather conditions

Which of the following items is not found on a chemical label?

Safety test

Which sphere contains all of the plant and animal life on the Earth surface?

Biosphere

The process that changes water from a gas to a liquid is called

Condensation

Air pollutant that adheres to precipitation in falls to the Earth is called

Acid rain

Pollution caused by discharging heated water into rivers and streams is created by

Thermal pollution

The function of a watershed it is to

Release a constant flow of water throughout the year

A pH of seven is considered

Neutral

A measurement of the total concentration of all dissolved ions in water is

Salinity

Ground water that is an available for plant root absorption is called

Hygroscopic water

Which of the following terms is not considered to be a physical property of soil?

Soil solution

Low biotic potential is defined as...

A slow reproductive rate

Wildlife population that is forced to feed, water, or travel to create a distance from its escape cover is likely to encounter a higher rate of

Mortality

A group of ecosystems within a region that have similar types of agitation and similar climate conditions is

A biome

Water that is clouded with suspended particles of silt is described as

Turbid

The worlds largest biome is the

Marine biome

The biggest component of municipal waste is

Paper

Which of the following is not a Ristick that defined hazardous waste

Biodegradable

Which of the following is not a renewable resource

Soil

The practice of using natural resources, while protecting against harm in waist is called...

Conservation

The practice of maintaining an environment, and the resources with and it in their natural state, simply because we value them is called

Preservation

The number of a particular species of plants or animals in a given area at a specific point in time is an example of

Population levels

Primary succession occurs when

Organisms live in an area where they did not live before

The ability of an organism to survive, environmental fluctuations from the norm in a environment is a demonstration of it

Range of tolerance

The most simple arrangement of organisms in an environment in a ranking order that connects all of the producers to the primary and secondary consumers, is called a

Food chain