Not all coliforms are pathogenic
Indicate whether the statement is true or false.
Answer: TRUE
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The phylogeny below represents a hypothesis for the evolutionary relationships among major groups of plants. If it is correct, in what order should we predict to find the fossils of these groups, in order from oldest to youngest?
A. flower group, conifer group, ferns, moss group B. conifer group, ferns, moss group, flower group C. ferns, moss group, conifer group, flower group D. moss group, ferns, daisy E. ferns, conifer group, moss group
Treponemal antibodies are those that are:
a. produced against antigens of the organ-isms themselves. b. produced by infected patients against components of mammalian cells. c. produced by the organism that causes the systemic destruction of the disease. d. also called reaginic antibodies.
The lifetime patterns of growth, maturation, and reproduction determine the ____ of a species
a. survivorship curve b. life history c. specific mortality d. age-specific fecundity e. dispersion
Part of the experiment without the variable being tested; standard for comparison in an experiment