1. From the 2003 crude birth rate and crude death rate given the following table, calculate
the rate of population growth and the population doubling time for each of the countries
Forests play an integral part of ecosystems.
Species use them as homes.
Forests provide shelter.
When the trees die, the process of their decomposition places nutrients back into
Forests consume CO2 and produce oxygen.
For humans, forests a
Assignment LU- 13
1. How could you maintain or increase biodiversity in a selected area?
There are many ways to maintain and increase biodiversity in specific areas.
Preserve wetlands. Wetlands work as channels that allow species to migrate from
1. why is soil considered to be detritus based ecosystem? Describe how the above
ground portion and the below ground portion of an ecosystem act as two
interrelated and interdependent communities?
An ecosystem is an ET of organisms and th
Ecology and Society
August 24, 2013
The world heavily relies on coal, oil, and natural gases for its energy. These when
fossil fuels are non renewable and are extracted from finite sources that will eventually
1. Why do you think that 98% of the worlds population growth is occurring in
98% of the worlds population occurs in developing nations for many different
reasons. In developed nations, population growth is extremely low, n
Assignment for LU-1
After completing the questionnaire below, write a well-written essay describing which worldview
you subscribe to and give some specific reasons why you do. Send this via email to me.
Answers selected in red
1. Rate each o
I do not subscribe to one specific worldview. There are too many
ways to define our world and all have both positive and negative arguments.
At moment, I am at a stage in life where I am attempting to define what I
want to do and how to do it. Should I li
Name three advantages and three disadvantages for any three alternative sources of
Wind farms can be built in off shore
Land around the wind farms can
continue to be used.
During windy storms power outages