Environmental Science Lesson 2: Components of Environment

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Which of the following is the primary source of energy for the Earth's ecosystems?

Radiant energy from the sun

What is the main component of the Earth's atmosphere?

Nitrogen

Which layer of the atmosphere is responsible for absorbing most of the ultraviolet radiation from the sun?

Stratosphere

What is the primary function of the atmosphere in maintaining the heat balance on Earth?

Trapping and absorbing infrared radiant energy

Which component of the atmosphere is important for plant growth as a source of nutrients?

Nitrogen

What is the main function of the lithosphere?

Storing minerals and organic matter

Which of the following constitutes the hydrosphere?

Oceans, lakes, rivers, and water vapors

What is the study of interactions among organisms or groups with their environment called?

Ecology

'Oikos' and 'logos', from which the term 'ecology' originates, mean:

'Habitat' and 'study'

Which of the following are considered living components of the environment?

Producers and decomposers

What is the meaning of the term 'abiotic factors' in the context of environmental science?

Non-living things like water, land, and air

What is the main focus of environmental engineering?

Improving the natural environment using science and engineering principles

According to the text, what is the role of Electrical Engineering in Environmental Science?

Sustainable resource management

Which type of environment includes components like water, land, and air?

Natural environment

What does the term 'detritivores' refer to in the context of environmental science?

Organisms that excrete nutrients (e.g. worms, crabs)

What is the main purpose of environmental studies as per RA 9512?

Promoting environmental awareness through education

What does 'sustainability' mainly focus on in the context of environmental science?

Sustainable resource management

According to the text, which components are considered abiotic factors?

"Hydrosphere", "lithosphere", and "atmosphere"

Study Notes

  • Environmental science lesson covers Introduction to Environmental Science, Components of Environment, and Environmental Studies
  • Components of Environment include both biotic and abiotic factors
  • Biotic factors are living organisms and their interactions, including producers, consumers, decomposers, detrivores, and the biosphere
  • Abiotic factors are non-living things, including chemicals and physical elements, such as water, land, and air, which make up the hydrosphere, lithosphere, and atmosphere
  • Environmental Studies is the process of educating people about environmental preservation
  • National Environment Awareness and Education Act of 2008 (RA 9512) promotes environmental awareness through education
  • Environmental Science is the study of the environment, its biotic and abiotic components, and their interrelationship
  • Environmental Engineering integrates science and engineering principles to improve the natural environment
  • Role of Electrical Engineering in Environmental Science includes sustainability and energy management
  • Types of environments include natural and man-made environments
  • Energy is the primary source of power, with sunlight being the main source
  • Atmosphere is the layer of gases surrounding the Earth, extending up to 500km, and composed mainly of nitrogen and oxygen
  • Ionosphere, thermosphere, exosphere, mesosphere, stratosphere, and troposphere are the layers of the atmosphere, each with distinct characteristics
  • Atmosphere plays a crucial role in maintaining the Earth's heat balance and sustaining life through gaseous constituents, such as oxygen, carbon dioxide, and nitrogen
  • Biosphere is the biological environment, where living organisms interact with the physical environment, and is crucial for the oxygen-carbon dioxide cycle.

This quiz covers the components of the environment, including biotic factors such as producers, consumers, and decomposers. It also discusses abiotic factors and the interactions between living and non-living components.

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