All groups of living organisms share several key characteristics or functions
What will be an ideal response?
: order, sensitivity or response to stimuli,
reproduction, adaptation, growth and development, regulation, homeostasis, and energy processing
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The buildup of mucus and blockage of airways in pertussis is due to
What will be an ideal response?
Which of the following statements is true?
a. The left and right portions of this life cycle illustrate asexual and sexual reproduction, respectively. b. The left and right portions of this life cycle illustrate sexual and asexual reproduction, respectively. c. Both portions of this life cycle illustrate asexual reproduction, because this organism does not reproduce sexually. d. Both portions of this life cycle illustrate sexual reproduction, because this organism does not reproduce asexually. e. Meiosis occurs in both portions of the life cycle.
Why does extended hypoglycemia (low blood sugar) lead to confusion and difficulty thinking?
A. Glucose provides energy for brain cells. B. Unregulated pH of body fluids causes these symptoms. C. Glucose is major source of energy for non-nervous system cells. D. Glucose is required for chemical reactions in the body.
In a scientific experiment, a control group
a) is less important than an experimental group b) makes the experiment better, but is not essential c) can be compared with an experimental group to assess whether one particular variable is causing a change in the experimental group d) must be kept in a laboratory