The reading passage explores the issue of several benefits of using genetically modified trees. However, in the lecture, the professor thinks that all these benefits are weak, and it has a lot of hidden costs to use this technology. She also uses three specific points and elaborate details to support her position.
To begin with, according to the passage, genetically modified trees are easy to survive in than those who are unmodified. The writer uses an improvement of the papaya tree in Hawaii as an example, designed to resistant pests such as ringspot viruses. However, the professor refutes it by pointing out that no guarantee genetically modified trees can survive. This is because of the problem of gene diversity. Many non-modified trees are diverse since they suffer from different insects and pesticides. If someone dies, others can survive. On the contrary, the gene form of modified trees is designed to uniform. Thus they cannot survive in some severe damage, like climate changes or pest invasion.
Moreover, the passage also contends that modified trees have economic benefits because of the faster yields and hardier quantity, giving profitable returns to investment. However, the professor claims that using these special trees also has some hidden costs. To be specific, if farmers want to cultivate these trees, they need to pay the company for seeds, and this process will occur annually, while farmers can get the seeds when their plants grow for free.
Finally, the reading material asserts that genetic modification will be helpful to inhibit the overexploitation of wild trees since the trees grow faster and yield higher, and could be cut down quickly. On the contrary, the professor points out that these trees would also damage the local environment just because they grow too fast. These trees may win the competition with native trees and take over some essential resources like sunlight, water, and so on. Therefore, native trees will die in the future.
The reading passage explores the issue of several benefits of using
genetically
modified
trees
.
However
, in the lecture, the
professor
thinks
that all these benefits are weak, and it has
a lot of
hidden costs to
use
this technology. She
also
uses
three specific points and elaborate
details
to support her position.
To
begin
with, according to the passage,
genetically
modified
trees
are easy to
survive
in
than those who
are unmodified
. The writer
uses
an improvement of the papaya
tree
in Hawaii as an example, designed to resistant pests such as
ringspot
viruses.
However
, the
professor
refutes it by pointing out that no guarantee
genetically
modified
trees
can
survive
. This is
because
of the problem of gene diversity.
Many
non-modified
trees
are diverse since they suffer from
different
insects and pesticides. If someone
dies
, others can
survive
.
On the contrary
, the gene form of
modified
trees
is designed
to uniform.
Thus
they cannot
survive
in
some
severe damage, like climate
changes
or pest invasion.
Moreover
, the passage
also
contends that
modified
trees
have economic benefits
because
of the faster yields and hardier quantity, giving profitable returns to investment.
However
, the
professor
claims that using these special
trees
also
has
some
hidden costs. To be specific, if farmers want to cultivate these
trees
, they need to pay the
company
for seeds, and this process will occur
annually
, while farmers can
get
the seeds when their plants grow for free.
Finally
, the reading material asserts that genetic modification will be helpful to inhibit the overexploitation of wild
trees
since the
trees
grow faster and yield higher, and could be
cut
down
quickly
.
On the contrary
, the
professor
points out that these
trees
would
also
damage the local environment
just
because
they grow too
fast
. These
trees
may win the competition with native
trees
and take over
some
essential resources like sunlight, water, and
so
on.
Therefore
, native
trees
will
die
in the future.