The increased reliance on genetically engineered crops grew from the need to ____
a. develop new species of crop plants
b. provide farmers with more expensive seeds
c. find new pesticides
d. produce more food at lower cost without harming the environment
e. find more ways to profit from crop plants
ANSWER: d
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A bacteriologist is studying two asexually reproducing strains of E. coli. The two require different amounts of trace minerals for survival; on these grounds, the bacteriologist determines that they are separate species
In making his determination, he is using which species concept or concepts? Select all that apply A. biological species concept B. ecological species concept C. morphospecies concept D. evolutionary species concept E. none of these
A group of individuals that can interbreed in nature and produce viable offspring would be considered to be a species according to the
A. phylogenetic species concept. B. biological species concept. C. evolutionary species concept. D. ecological species concept. E. general lineage concept.
Which type of cell provides metabolic support to the neurons?
a. Muscle b. Neuroglia c. Loose connective d. Squamous e. Dense connective
A population of dandelions in a field exemplifies a ____ population distribution.
A. clumped B. random C. uniform D. constant E. homogeneous