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Biology-Related Homework Help Environmental and Conservation Biology Topic started by: couple007 on Jul 29, 2013



Title: Why have most bioengineered crops been modified for "resistance" traits
Post by: couple007 on Jul 29, 2013
Why have most bioengineered crops been modified for "resistance" traits?
A) These traits have the economic potential to save on production costs.
B) No technology exists to engineer other traits successfully.
C) These are the only traits proven safe for the environment.
D) These are the only traits proven safe for the human health.
E) Crops with these traits taste better.


The next step in this story is that this woman and her sister began ________.
A) to deliberately plant seeds near their village to make food gathering easier in the future
B) to seek out old middens (trash piles) to find and eat the things growing there
C) to trade seeds with people from other villages
D) to save, sort, and name different types of seeds
E) a full-scale garden, digging the soil and enriching it with food wastes


Which of the following is something brought about by the beginning of agriculture?
A) a nomadic lifestyle, moving frequently from one place to another
B) a low density of people over large areas, which means that diseases do not spread in settlements
C) a need to protect and defend the group's land and crops, which means that people become more peaceful, resulting in the disbanding of military groups
D) the ability of the few to feed the many means that everyone is expected to concentrate on increased food production
E) the ability to rely on crops every year, no matter what, allows even farmers to have much more free time, resulting in the development of crafts, architecture, and other "urban" professions


Title: Re: Why have most bioengineered crops been modified for "resistance" traits
Post by: eliten55 on Jul 31, 2013
Ans.

A) These traits have the economic potential to save on production costs.

A) to deliberately plant seeds near their village to make food gathering easier in the future

E) the ability to rely on crops every year, no matter what, allows even farmers to have much more free time, resulting in the development of crafts, architecture, and other "urban" professions