A housefly is an example of a(n) ______ vector

a. mechanical
b. line
c. biological


a. mechanical

Biology & Microbiology

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The ______________ is a digestive cavity in which food enters an opening at one end and passes through the animal in one direction as it is digested.

A. gastrovascular cavity B. stomach C. alimentary canal D. epithelial cavity E. intestine

Biology & Microbiology

The first known member of the genus, Homo,

a. H. erectus. b. H. sapiens. c. H. neanderthalensis. d. H. habilis. e. H. floresiensis

Biology & Microbiology

VLPsa. carry no viral DNA

b. are not infectious. c. are antigenic and will elicit an immune response. d. are produced by recombinant yeast. e. are described by all of these

a. carry no viral DNA. b. are not infectious. c. are antigenic and will elicit an immune response. d. are produced by recombinant yeast. e. are described by all of these

Biology & Microbiology

The stomatal opening and closing are under the control of __________

a. ethylene b. cytokinins c. auxins d. abscisic acid e. gibberellins

Biology & Microbiology