IV. Short Answers Questions.
1. What are the four spheres into which the environment can be divided
2. Why is the environment dynamic?
3. What is an ecosystem?
4. What is biosphere?
5. Who is posing the greatest threat to the environment?
VI
Answers
Answer:
Biosphere - means all natural thing in atmosphere
Answer:
1)These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). Each of these four spheres can be further divided into sub-spheres.
2)Economic changes can spark a dynamic business environment, too. Falling interest rates may allow a business or its competitors to expand, rapidly changing the industry's growth rate. ... Shifting demographics may also lead to a dynamic environment, as businesses respond with new and improved products and services.
3)An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. ... Ecosystems can be very large or very small.
4)The biosphere, also known as the ecosphere, is the worldwide sum of all ecosystems. It can also be termed the zone of life on Earth. The biosphere is virtually a closed system with regards to matter, with minimal inputs and outputs,the part of the earth’s surface and atmosphere in which plants and animals can live
5)Seven Biggest Environmental Threats
Climate Change. ...
Species Extinction and Biodiversity Loss. ...
Air and Water Pollution. ...
Water Crisis. ...
Natural Resources Drain. ...
Deforestation Impact. ...
Soil Degradation.