Match the following letters to the number with which
they best correspond.
a. Observation, b. Question, c. Hypothesis, d. Prediction,
e. Observational experiment, f. Laboratory experiment,
g. Assess results, h. Report
76. ____ Conduct a survey of individuals who
smoke and individuals who do not
smoke. Determine which group has the
highest incidence of cancers.
77. ____ If smoking causes cancer, then
individuals who smoke will get cancer
more often than those who do not.
78. ____ Submit the results and the conclusions to
the scientific.
79. ____ Establish identical groups of laboratory
rats. Expose one group (the model
system) to cigarette smoke and compare
the incidence of new cancers (if any)
with the incidence in the control group.
80. ____ Compile test results and draw
conclusions from them.
81. ____ Smoking cigarettes may cause cancer.
82. ____ Why do people get cancer?
83. ____ People get cancer.
Answer(s) 76. e, 77. d, 78. h, 79. f, 80. g, 81. c, 82. b, 83. a
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The main components of the extracellular matrix are ____
a. glycolipids b. phospholipids c. glycoproteins d. cellulose e. glucose
The water and minerals absorbed by the roots usually first enter the:
a. pericycle b. vascular tissue c. cortex d. epidermis e. endodermis
Entropy
What will be an ideal response?
Which of the following were the first vertebrates to truly thrive on land?
A. amphibians B. birds C. mammals D. reptiles E. fish