Which series of letters lists the first four steps of the scientific method (see question 5) in the correct order?
(a) a, b, c, d.
(b) a, b, d, c.
(c) c, a, b, d.
(d) d, c, a, b.
(b) a, b, d, c.
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Lyme disease is a bacterial disease that is transmitted to humans when a black-legged tick that
is infected with the bacterium bites and feeds on a human. In this scenario, the tick is an example of a __________.
a. cyst b. vector c. primary host d. pathogen
Archaeal cell walls
A. are disrupted by treatment with lysozyme or penicillin. B. include orthomureine. C. are similar to those of gram-negative bacteria. D. lack murein and D-amino acids.
Unusual growth of cells that do not pose a threat to
surrounding tissues are termed a. malignant. b. benign. c. metastatic. d. carcinogenic. e. repressed.
You find a notebook that has lots of equations, tables, and graphs in it. The tables have columns for the number of female offspring born over a year, the number of deaths over a year, and the number of individuals in various age classes. What subject do you think the owner of the notebook is studying? What type of tables are they most likely using?
A. demography; life tables B. iteroparity; life tables C. iteroparity; survivorship tables D. growth ecology; transition tables E. demography; survivorship tables