The type of transmission that involves air as a vehicle is droplet nuclei that are transmitted by _____ and _____
Fill in the blank(s) with the appropriate word(s).
coughing, sneezing
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A disadvantage of the phylogenetic species concept is that it
A. cannot be applied to all organisms. B. cannot be used for molecular data. C. may be difficult to determine the number of traits necessary to characterize individuals. D. cannot accommodate clear-cut qualitative characteristics. E. is impossible to determine reproductive isolation.
Genomic imprinting occurs when one allele converts another
Indicate whether the statement is true or false
The "fundamental niche" of an organism is defined as the
a) climatic conditions required for the organism to survive and reproduce b) range of environmental conditions under which the organism can survive and reproduce c) area that an organism occupies immediately after birth d) physical space that the organism occupies e) area in which the organism reproduces
The lac operon is an example of a(n) _______ operon.
a) repressible b) inducible c) noninducible d) constitutive e) irrepressible