Environmental Science Answers to quiz 1.1, in complete sentences. - Earth is compared to a spaceship because it is also a closed system. For the most part resources do not enter or leave the earth.
- Energy from the sun is an example of a renewable resource. It can be replaced relatively quickly by natural processes.
- Mercury, lead and some plastics are examples of nondegradable resources. They can not be broken down by natural processes.
- Biodegradable substances can be broken down by natural processes. Examples are: sewage, paper, wood, food.
- Biodiversity is defined as the # and variety of species that live in an area.
- Environmental science involves many fields of study so it is considered to be an interdisciplinary science.
- Hunter-gatherer societies occurred prior (before) the agricultural revolution and the industrial revolution.
- Hunter-gatherer societies changed their environment by burning praries which prevented the growth of trees and by spreading plants/seeds to new areas.
- During the agricultural revolution plants and animals were domesticated. This led to population growth.
- The over hunting of large animals was not the direct result of the industrial revolution.
|
No comments:
Post a Comment