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Environmental Science

Showing 76-150 of 269 answers

It is a set of components, or parts that function together as a whole. Examples of this ranges from the human body to cities to earth.
  • Human population growth
  • Gaia hypothesis Correct
  • Precautionary principle
  • Sustainability
It is a set of components, or parts, that function together as a whole.
  • system Correct
  • materially closed system
  • open system
  • closed system
It is a set of components, or parts, that function together as a whole.
  • System Correct
  • Feedback
  • Lag time
  • Change
It is a set of species interacting within the ecosystem.
  • ecosystem
  • food web
  • ecology
  • ecological community Correct
It is a starvation resulting from deprived calories in food.
  • Kwashiorkor
  • Agriculture
  • Malnutrition
  • Undernourishment Correct
It is also known as petroleum and the largest source of commercial energy in the world.
  • Natural gas
  • Coal
  • Uranium
  • Crude oil Correct
It is an ecosystem process which involves conversion of carbon dioxide and water into sugar by plants, algae and bacteria. Protein and woody tissues are then produced.
  • living components
  • cycling of chemical elements
  • non-living components
  • flow of energy Correct
It is an evidence of human skills to provide food in limited resources condition.
  • Malnutrition
  • Agriculture Correct
  • Kwashiorkor
  • Undernourishment
It is an interdisciplinary field composed of, but not limited to, chemistry, physics, biology, economics, law, and politics. Its goals are to learn how nature works, understand how humans interact with the environment, and finding ways of dealing with the problems related to the environment.
  • ecology
  • ecosystem
  • environmental science Correct
  • environmentalism
It is better to rely on different, varied sources of energy rather than one, finite supply.
  • True Correct
  • False
It is characterized by a fast change and then leveling off at a saturation point.
  • Logistic curve
  • Saturation curve Correct
  • Negative exponential
  • Positive exponential
It is defined as the change in inherited characteristics of a population from generation to generation.
  • Biological evolution Correct
  • Mutation
  • Biodiversity
  • Genetic drift
It is defined as the study of organisms' interaction with one another and their environment.
  • Static and dynamic systems Correct
  • Closed and materially closed systems
  • Steady-state and non-steady state open systems
  • Open and closed systems
It is defined as the variety of life on earth.
  • Habitat diversity
  • Genetic diversity
  • Biodiversity Correct
  • Species diversity
It is defined as the variety of life on earth.
  • Biodiversity Correct
  • Genetic diversity
  • Species diversity
  • Habitat diversity
It is one of the factors that influence agriculture.
  • Nematodes
  • Pests
  • Human Factor Correct
  • Precipitation
It is said to be the underlying reason of environmental problems.
  • Environmentalism
  • Ecology Correct
  • Ecosystem
  • Environmental science
It is simply defined as the delay between a cause and the appearance of an effect.
  • Change
  • Classical stability
  • Feedback
  • Lag time Correct
It is synonymous to rainfall.
  • Nematodes
  • Human Factor
  • Precipitation Correct
  • Pests
It is the actual amount of water vapor in the air relative to the maximum it can hold.
  • Temperature
  • Air pressure
  • Relative humidity Correct
  • Precipitation
It is the first trophic level. They can produce their own sugar.
  • herbivores
  • decomposers
  • carnivores
  • autotrophs Correct
It is the long term atmospheric conditions of a specific place.
  • climate Correct
  • weather
  • temperature
  • pressure
It is the maximum number of people that the earth can support at a reasonable comfort without impairing the planet's ability to sustain future generations in the same way.
  • Cultural carrying capacity Correct
  • Cultural carrying limit
  • Physical carrying limit
  • Physical carrying capacity
It is the study of interactions among the organisms and their environment.
  • ecological community
  • food web
  • ecology Correct
  • ecosystem
It is the third trophic level. They feed on the second trophic level.
  • decomposers
  • autotrophs
  • carnivores Correct
  • herbivores
It is the time it takes for a particular unit to stay in a reservoir.
  • Residence time Correct
  • Lag time
  • Straight linear
  • Overshoot
It refers to the movement of water around the Earth's surface and subsystems.
  • reservoirs
  • pathways
  • rainfall cycle
  • water cycle Correct
It states that geological and biological processes in the past are the same as the present.
  • Gaia hypothesis
  • uniformitarianism Correct
  • feedback
  • environmental unity
Limitations in essential resources decrease the biodiversity in an area.
  • True Correct
  • False
Living in cities has both advantages and disadvantages.
  • True Correct
  • False
Living in rural areas only has disadvantages.
  • True
  • False Correct
Loss of biodiversity can affect and impair ecosystem services.
  • True Correct
  • False
Malnourishment refers to the lack of specific chemical components of food while malnutrition is the long term condition.
  • True
  • False Correct
Mangrove forests are examples of wetlands. What kind of wetlands are the mangrove forests?
  • River mouth
  • Estuary
  • Swamp Correct
  • Marsh
Manila gets flooded when there is continuous heavy rain even if nearby rivers may not be present.What kind of flood does the city usually experience?
  • Fluvial flood
  • Flash flood
  • Pluvial flood Correct
  • Coastal flood
Methane is a more effective greenhouse gas than carbon dioxide.
  • True Correct
  • False
More elderly people will have implication on public services such as medical care, social security funds, and others.
  • True Correct
  • False
Most developed countries have experienced a decline in death rates. Which does not contribute to this?
  • increase access to safe water supplies
  • increased food supplies
  • increase in hospitals and better health care
  • increasing average age for marriage Correct
Most of the environments and natural systems are classified as:
  • It is applied to prevent adverse effects to the health of the environment and the organisms living in it
  • It may be applied while still gathering scientific evidence
  • Life has greatly influenced the global environment Correct
  • Even without full scientific proof, necessary precautionary principles should be employed
Oceans, ice sheets, and groundwater are examples of?
  • water cycle
  • pathways
  • reservoirs Correct
  • rainfall cycle
Only non-renewable energy sources have disadvantages while renewable energy sources have none.
  • True
  • False Correct
Overuse of fertilizers does not have an effect on the environment.
  • True
  • False Correct
Ozone gas could not possibly be harmful to human beings.
  • True
  • False Correct
Rainfall, temperature, growing season, altitude are examples of physical factors that affect agriculture
  • True Correct
  • False
Reducing poverty and promoting economic development can help slow down human population growth.
  • True Correct
  • False
Republic Act No. 8041 established the Philippine Clean Water Act of 2004.
  • True
  • False Correct
Science is a way of knowing and based on the disprovability of a hypothesis. Science would not have advanced without this. What is this?
  • scientific method Correct
  • quantitative and qualitative analysis
  • observations
  • scientific theory
Shutting down the developments and advancements of genetically modified crops in the country can be considered a sustainability move.
  • True
  • False Correct
Singapore will likely be spared from air pollution brought about by Indonesian forest fires.
  • True
  • False Correct
Snow or hail is a result of what process of the water cycle?
  • sublimation
  • precipitation Correct
  • condensation
  • transpiration
Solar cycle does not have an effect on climate change.
  • True
  • False Correct
Some places tend to have higher diversity than others.
  • True Correct
  • False
Sustainability is composed of three interconnected principles-relying more on solar energy, protecting biodiversity, and preventing disruption of natural chemical cycle.
  • True Correct
  • False
Sustainable living would allow humans to continue living comfortable lives while reducing its impact to environmental systems that sustain us.
  • True Correct
  • False
The advancement of agriculture has led to people influencing the environment.
  • True Correct
  • False
The atmosphere enables life on earth. Which of the following is not true about it?
  • Pressure and amount of sunlight received are the important qualities of atmosphere Correct
  • It is composed of various gases
  • It is made up of different layers
  • It is not homogenous
The condition where one has insufficient calories due to lack of food resulting to little or no ability to work.
  • malnutrition
  • kwashiorkor
  • undernourishment Correct
  • marasmus
The country's biggest energy resource is geothermal.
  • True Correct
  • False
The Department of Energy is the lead agency mandated to implement the Philippine Clean Air Act of 1999.
  • True
  • False Correct
The earth's total freshwater content is about 5%.
  • True
  • False Correct
The growth chart shown above also resembles that of the human population growth. What is this?  
  • exponential Correct
  • logistic
  • linear
  • oscillating
The highest trophic level which feed on dead organic materials.
  • herbivores
  • carnivores
  • autotrophs
  • decomposers Correct
The largest reserve of freshwater is found in rivers.
  • True
  • False Correct
The Law of Conservation of Energy states that:
  • Energy is converted and created
  • Energy is created and destroyed
  • Energy is not transformed and created
  • Energy is not created or destroyed Correct
The Law of Preservation of Energy states that energy is neither created nor destroyed.
  • True
  • False Correct
The main driver of the water cycle is the heat from the sun.
  • True Correct
  • False
The major theme of environmental science which refers to the thought that everything is connected to everything else.
  • Food webs
  • Food chains Correct
  • Pathways
  • Energy chains
The phenomenon which causes adverse effects to man or environment brought about by presence of substances in the atmosphere.
  • Atmosphere degradation
  • Air degradation
  • Air pollution Correct
  • Atmospheric pollution
The Philippines has a very young population with a slow population growth rate.
  • True
  • False Correct
The process of adapting into a more specialized role in the ecosystem is called
  • Natural selection
  • Genetic drift
  • Migration
  • Adaptive radiation Correct
The production of food can cause pollution to the environment.
  • True Correct
  • False
The second trophic level which feed on plants, algae and other photosynthetic bacteria.
  • carnivores
  • decomposers
  • herbivores Correct
  • autotrophs
The Sixth great wave of mass extinction is brought about by humans.
  • True Correct
  • False
The smaller particulate matter, the more harmful it is for human health.
  • True Correct
  • False
The sustainability of life depends on what factors?
  • Biodiversity
  • Chemical cycling
  • Reliance on solar energy
  • All of the above Correct
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