ENVI SCI

• Earth is divided into four divisions. which portion of Earth supports the existence of LIVING things?

  Biosphere
• In our daily living, water is most important necessity. Why?

  A. Without fresh water sources people will get sick and die.

  B. The biosphere needs water especially plants to grow food.

  C. Answer for choice A is not so important.

  D. A and B are correct.

  
  

  Correct Answer: D
• What kind of interactions can be observed when a carbon dioxides dissolve from the air into the ocean?

  The atmosphere and hydrosphere
• Due to the decomposition of dead plants, Nitrogen can be returned to the soil. What interaction can be observed in the latter situation?

  Biosphere and Geosphere
• If you studied ecosystems to learn about relationships between organisms and its interactions to the abiotic components of the environment as well as anychanges in the community that took place over a period of time, you would be:

  an Ecologist
• Not all places on Earth has a richness or biodiversity. The success depends on its location and abundancy of organisms. How is biodiversity important?

  A. It provides us with an array of foods and materials and it contributes to the economy.

  B. It allows for ecosystems to adjust to disturbances like extreme fires and floods.

  C. It allows the organisms to adopt themselves in the present environment in order to survive.

  D. Is an important part of ecological services that make life livable on Earth.

  
  

  Correct Answer: C
• Which of the following best describes an adaptation?

  A. A developed characteristic that helps a species survive in its population.

  B. A developed role that a species carries out in its community

  C. An inherited charateristic that helps a species survive in its environment.

  D. An inherited role that a species carries out in its ecosystem.

  
  

  Correct Answer: C
• Living things have basic needs. What are the four basic needs of living things?

  Air, water, food, habitat
• How does carbon dioxide leave the atmosphere?

  Through photosynthesis
• Which process converts carbon in the form of sugar into carbon dioxide gas?

  Respiration
• Where do energy that drives the water cycle comes from?

  Solar Radiation
• Resources that are available in infinite quantity and can be used repeatedly.

  Renewable
• Converting atmospheric itrogen into a usable form by bacteria or lightning is known as?

  Nitrogen Fixation
• Which of the following are biotic factors in an ecosystem?

  Trees, fish, bears
• Resources that are limited in abudance due to its nature and availability may run out in the future.

  Non-Renewable
• TRUE OR FALSE:

  All living things are made of carbon.

  True
• TRUE OR FALSE:

  Fossil fuels are considered renewable energy resources.

  False
• TRUE OR FALSE:

  Deforestation contributes to an increase in the global carbon dioxide levels.

  True
• TRUE OR FALSE:

  The majority of Earth's freshwater is easily accessible for human use.

  False
• TRUE OR FALSE:

  Nuclear energy is considered a renewable resources.

  False
• TRUE OR FALSE:

  Soil Erosion is primarily caused by natural forces and has little to do with human activities.

  False
• TRUE OR FALSE:

  Wind and Solar power are examples of inexhaustible natural resources.

  True
• TRUE OR FALSE:

  The ozone layer depletion is a result of human activities, particularly the use of certain industrial chemicals.

  True
• TRUE OR FALSE:

  Geothermal energy harnesses the Earth's internal heat for electricity generation.

  True
• TRUE OR FALSE:

  The concept of a "carbon footprint" is related to an individual's organization's total greenhouse gas emissions.

  True
• Referred to as Petroleum Oil.

  Crude Oil
• Created by compressed organic matter, and it contains carbon and hydrocarbon matter.

  Coal
• World's most precious resources because it sustains life of animals and plants.

  Water
• Pure inorganic susbtance that occurs naturally in the earth's crust.

  Minerals
• Individuals of the same species living in the same geographic area and capable of interbreedings.

  Population
• All living organisms in a particular area, along with non-living components of the environment.

  Ecosystem
• The area where the land meets the sea or ocean.

  Coastal
• The combination of all ecosystems on Earth and their interactions.

  Biosphere
• All the different populations in a particular area interacting with each other.

  Community
• The spatial relationship of individual organisms to one another may take several different form.

  Dispersion
• Is a number of populations per unit area.

  Population Density
• Number of individual per population.

  Population Size
• The capacity of the environment to support and sustain the level of population under the ideal set of conditions.

  Carrying Capacity
• The term used of an individual living thing.

  Organism
• Conditions in the environment that impact the size of the population.

  Limiting factor