| 1.
conservation |
a.
to process waste materials into new material or products |
| 2.
medicine |
b.
the average span of time between the birth of parents and their
offspring; in human beings it is approximately 30 years |
| 3.
generation |
c.
the process of whereby plants containing chlorophyll convert carbon
dioxide and nutrients into carbohydrates (food) and expel oxygen.
|
| 4.
forest |
d.
the gas animals breathe or take in through lungs or gills and is
necessary to sustain life |
| 5.
oxygen |
e.
the part of the body of a plant that grows downward into the soil;
it provides both the anchor for the plant and the body part for
absorbing nutriments and moisture |
| 6.
photosynthesis |
f.
planned and careful preservation of something, in particular resources
or the environment |
| 7.
recycle |
g.
a covering or other object that provides protection from the environment
|
| 8.
seedling |
h.
a substance used in the treatment of disease |
| 9.
roots |
i.
a dense growth of trees and underbrush covering a large area of
land |
| 10.
shelter |
j.
a young plant grown from a seed |
