MSU AGN 115 EXAM 1 | 100% Correct
Answers | Verified | Latest 2024 Version
Characteristics of traditional agroecosystems include - ✔✔take advantage of the full range of
microenvironmental variation within the cropping system, farm, and region; are built on the knowledge
and culture of local inhabitants; tolerate of local conditions, insects and diseases, dependent on external,
purchased inputs
according to gliessman, the prevailing modern agriculture system is not sustainable. ___ is not a factor
he says contrives to our unsustainability (ch 1) - ✔✔--!
reliance on synthetic or mineral fertilizer would normally be associated with - ✔✔conventional
agriculture
normally ab 25% or more of biomass at one trophic level is converted to biomass at the next trophic
level (ch 2) - ✔✔false
in the penn and teller: Norman Borlaug vid, dr. Terri Lomax, prof of botany and plant pathology, said that
genetically modified crops are subjected to millions of dollars in test and are regulated by EPA, FDA, and
USDA, while protestors and admin. (eg Charles margulus) affiliated with Greenpeace claimed the crops
were released without testing - ✔✔true
order the levels from least to most complex - ✔✔organism
population
community
ecosystem
when examining the trophic structure of the community of organisms within an ecosystem, we find that
first level consumers obtain their biomass and nutritive needs by consuming producers. members of this
level are called - ✔✔heterotrophs
for US census purposes, a farm is defined as (lec 2) - ✔✔---!
